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8
.dockerignore
View File

@ -1,3 +1,7 @@
.dockerignore
.github
.git
.gitignore
/generator/node_modules
/generator/*.log
/out /out
/node_modules
*.log

42
.github/workflows/release.yml vendored
View File

@ -15,7 +15,7 @@ jobs:
- name: Setup NodeJS - name: Setup NodeJS
uses: actions/setup-node@v1 # Action page: <https://github.com/actions/setup-node> uses: actions/setup-node@v1 # Action page: <https://github.com/actions/setup-node>
with: with:
node-version: 12 node-version: 15
- uses: actions/cache@v2 - uses: actions/cache@v2
with: with:
@ -23,13 +23,11 @@ jobs:
key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }} key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
- name: Install dependencies - name: Install dependencies
working-directory: generator
run: yarn install run: yarn install
- name: Generate pages - name: Generate pages
run: ./bin/generator.js -c ./config.json -o ./out run: ./generator/generator.js -i -c ./config.json -o ./out
- name: Copy static files
run: cp ./static/* ./out
- name: Upload artifact - name: Upload artifact
uses: actions/upload-artifact@v2 uses: actions/upload-artifact@v2
@ -68,21 +66,31 @@ jobs:
steps: steps:
- name: Check out code - name: Check out code
uses: actions/checkout@v2 uses: actions/checkout@v2
with:
fetch-depth: 1 - name: Set up QEMU
uses: docker/setup-qemu-action@v1 # Action page: <https://github.com/docker/setup-qemu-action>
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v1 # Action page: <https://github.com/docker/setup-buildx-action>
- name: Docker login in default registry
run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_LOGIN }}" --password-stdin
- name: Docker login in ghcr.io # Auth docs: <https://git.io/JLDaw>
run: echo "${{ secrets.GHCR_PASSWORD }}" | docker login ghcr.io -u tarampampam --password-stdin
- name: Generate builder values - name: Generate builder values
id: values id: values
run: echo "::set-output name=version::${GITHUB_REF##*/[vV]}" # `/refs/tags/v1.2.3` -> `1.2.3` run: echo "::set-output name=version::${GITHUB_REF##*/[vV]}" # `/refs/tags/v1.2.3` -> `1.2.3`
- name: Make docker login
run: echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_LOGIN }}" --password-stdin &> /dev/null
- name: Build image - name: Build image
run: docker build --tag "tarampampam/error-pages:${{ steps.values.outputs.version }}" --tag "tarampampam/error-pages:latest" -f ./Dockerfile . run: |
docker buildx build \
- name: Push version image --platform "linux/amd64,linux/386,linux/arm64/v8,linux/arm/v6,linux/arm/v7" \
run: docker push "tarampampam/error-pages:${{ steps.values.outputs.version }}" --tag "tarampampam/error-pages:${{ steps.values.outputs.version }}" \
--tag "tarampampam/error-pages:latest" \
- name: Push latest image --tag "ghcr.io/tarampampam/error-pages:${{ steps.values.outputs.version }}" \
run: docker push "tarampampam/error-pages:latest" --tag "ghcr.io/tarampampam/error-pages:latest" \
--file ./Dockerfile \
--push \
.

37
.github/workflows/tests.yml vendored
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@ -6,9 +6,25 @@ on:
- master - master
tags-ignore: tags-ignore:
- '**' - '**'
paths-ignore:
- '**.md'
pull_request: pull_request:
paths-ignore:
- '**.md'
jobs: # Docs: <https://git.io/JvxXE> jobs: # Docs: <https://git.io/JvxXE>
gitleaks:
name: Gitleaks
runs-on: ubuntu-20.04
steps:
- name: Check out code
uses: actions/checkout@v2
with:
fetch-depth: 0
- name: Check for GitLeaks
uses: zricethezav/gitleaks-action@v1.5.0 # Action page: <https://github.com/zricethezav/gitleaks-action>
generate: generate:
name: Try to run generator name: Try to run generator
runs-on: ubuntu-20.04 runs-on: ubuntu-20.04
@ -19,7 +35,7 @@ jobs: # Docs: <https://git.io/JvxXE>
- name: Setup NodeJS - name: Setup NodeJS
uses: actions/setup-node@v1 # Action page: <https://github.com/actions/setup-node> uses: actions/setup-node@v1 # Action page: <https://github.com/actions/setup-node>
with: with:
node-version: 12 node-version: 15
- uses: actions/cache@v2 - uses: actions/cache@v2
with: with:
@ -27,13 +43,19 @@ jobs: # Docs: <https://git.io/JvxXE>
key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }} key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
- name: Install dependencies - name: Install dependencies
working-directory: generator
run: yarn install run: yarn install
- name: Run generator - name: Run generator
run: ./bin/generator.js -c ./config.json -o ./out run: ./generator/generator.js -i -c ./config.json -o ./out
- name: Test file creation - name: Test file creation
run: test -f ./out/ghost/404.html run: |
test -f ./out/index.html
test -f ./out/ghost/404.html
test -f ./out/l7-dark/404.html
test -f ./out/l7-light/404.html
test -f ./out/shuffle/404.html
docker-build: docker-build:
name: Build docker image name: Build docker image
@ -45,8 +67,15 @@ jobs: # Docs: <https://git.io/JvxXE>
- name: Build docker image - name: Build docker image
run: docker build -f ./Dockerfile --tag image:local . run: docker build -f ./Dockerfile --tag image:local .
- name: Scan image
uses: anchore/scan-action@v2 # action page: <https://github.com/anchore/scan-action>
with:
image: image:local
fail-build: true
severity-cutoff: medium # negligible, low, medium, high or critical
- name: Run docker image - name: Run docker image
run: docker run --rm -d -p "8080:8080" -e "TEMPLATE_NAME=ghost" image:local run: docker run --rm -d -p "8080:8080/tcp" -e "TEMPLATE_NAME=ghost" image:local
- name: Pause - name: Pause
run: sleep 2 run: sleep 2

9
.gitignore vendored
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@ -2,17 +2,8 @@
/.vscode /.vscode
/.idea /.idea
## Vendors
/node_modules
## Lock files (use yarn only)
/package-lock.json
## Dist ## Dist
/out /out
## Temp dirs & trash ## Temp dirs & trash
/npm-debug.log
/yarn-error.log
.DS_Store .DS_Store
.env*

13
CHANGELOG.md
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@ -4,6 +4,19 @@ All notable changes to this package will be documented in this file.
The format is based on [Keep a Changelog][keepachangelog] and this project adheres to [Semantic Versioning][semver]. The format is based on [Keep a Changelog][keepachangelog] and this project adheres to [Semantic Versioning][semver].
## UNRELEASED
### Changed
- Repository files structure
- Nginx updated from `1.18` up to `1.19` in docker image
- Docker image now uses default `nginx` entrypoint scripts and command
### Added
- Support for `linux/386`, `linux/arm64/v8`, `linux/arm/v6` and `linux/arm/v7` platforms for docker image
- Random template selecting (use `random` as a template name) for docker image
## v1.4.0 ## v1.4.0
### Added ### Added

49
Dockerfile
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@ -1,22 +1,45 @@
# Image page: <https://hub.docker.com/_/node> # Image page: <https://hub.docker.com/_/node>
FROM node:12.16.2-alpine as builder FROM node:15.14-alpine as builder
# copy required sources into builder image
COPY ./generator /src/generator
COPY ./config.json /src
COPY ./templates /src/templates
COPY ./docker /src/docker
# install generator dependencies
WORKDIR /src/generator
RUN yarn install --frozen-lockfile --no-progress --non-interactive
# run generator
WORKDIR /src WORKDIR /src
RUN ./generator/generator.js -c ./config.json -o ./out
COPY . . # prepare rootfs for runtime
RUN mkdir /tmp/rootfs
WORKDIR /tmp/rootfs
RUN set -x \ RUN set -x \
&& yarn install --frozen-lockfile \ && mkdir -p \
&& ./bin/generator.js -c ./config.json -o ./out ./docker-entrypoint.d \
./etc/nginx/conf.d \
./opt \
&& mv /src/out ./opt/html \
&& echo -e "User-agent: *\nDisallow: /\n" > ./opt/html/robots.txt \
&& touch ./opt/html/favicon.ico \
&& mv /src/docker/docker-entrypoint.d/* ./docker-entrypoint.d \
&& mv /src/docker/nginx-server.conf ./etc/nginx/conf.d/default.conf
# Image page: <https://hub.docker.com/_/nginx> # Image page: <https://hub.docker.com/_/nginx>
FROM nginx:1.18-alpine FROM --platform=${TARGETPLATFORM:-linux/amd64} nginx:1.19-alpine as runtime
COPY --from=builder --chown=nginx /src/docker/docker-entrypoint.sh /docker-entrypoint.sh LABEL \
COPY --from=builder --chown=nginx /src/docker/nginx-server.conf /etc/nginx/conf.d/default.conf # Docs: <https://github.com/opencontainers/image-spec/blob/master/annotations.md>
COPY --from=builder --chown=nginx /src/static /opt/html org.opencontainers.image.title="error-pages" \
COPY --from=builder --chown=nginx /src/out /opt/html org.opencontainers.image.description="Static server error pages in docker image" \
org.opencontainers.image.url="https://github.com/tarampampam/error-pages" \
org.opencontainers.image.source="https://github.com/tarampampam/error-pages" \
org.opencontainers.image.vendor="tarampampam" \
org.opencontainers.image.licenses="MIT"
ENTRYPOINT ["/docker-entrypoint.sh"] # Import from builder
COPY --from=builder --chown=nginx /tmp/rootfs /
CMD ["nginx", "-g", "daemon off;"]

13
Makefile
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@ -4,9 +4,6 @@
SHELL = /bin/sh SHELL = /bin/sh
DOCKER_BIN = $(shell command -v docker 2> /dev/null)
DC_BIN = $(shell command -v docker-compose 2> /dev/null)
DC_RUN_ARGS = --rm --user "$(shell id -u):$(shell id -g)" DC_RUN_ARGS = --rm --user "$(shell id -u):$(shell id -g)"
APP_NAME = $(notdir $(CURDIR)) APP_NAME = $(notdir $(CURDIR))
@ -18,15 +15,15 @@ help: ## Show this help
@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf " \033[32m%-15s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST) @awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf " \033[32m%-15s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
install: ## Install all dependencies install: ## Install all dependencies
$(DC_BIN) run $(DC_RUN_ARGS) app yarn install docker-compose run $(DC_RUN_ARGS) -w "/src/generator" node yarn install --frozen-lockfile --no-progress --non-interactive
gen: ## Generate error pages gen: ## Generate error pages
$(DC_BIN) run $(DC_RUN_ARGS) app nodejs ./bin/generator.js -c ./config.json -o ./out docker-compose run $(DC_RUN_ARGS) node nodejs ./generator/generator.js -i -c ./config.json -o ./out
preview: ## Build docker image and start preview preview: ## Build docker image and start preview
$(DOCKER_BIN) build -f ./Dockerfile -t $(APP_NAME):local . docker build -f ./Dockerfile -t $(APP_NAME):local .
@printf "\n \e[30;42m %s \033[0m\n\n" 'Now open in your favorite browser <http://127.0.0.1:8081> and press CTRL+C for stopping' @printf "\n \e[30;42m %s \033[0m\n\n" 'Now open in your favorite browser <http://127.0.0.1:8081> and press CTRL+C for stopping'
$(DOCKER_BIN) run --rm -i -p 8081:8080 -e "TEMPLATE_NAME=l7-light" $(APP_NAME):local docker run --rm -i -p 8081:8080 -e "TEMPLATE_NAME=random" $(APP_NAME):local
shell: ## Start shell into container with node shell: ## Start shell into container with node
$(DC_BIN) run $(DC_RUN_ARGS) app sh docker-compose run $(DC_RUN_ARGS) node sh

81
README.md
View File

@ -11,45 +11,23 @@
This repository contains: This repository contains:
- A very simple [generator](./bin/generator.js) _(`nodejs`)_ for HTTP error pages _(like `404: Not found`)_ with different templates supports - A very simple [generator](generator/generator.js) _(`nodejs`)_ for HTTP error pages _(like `404: Not found`)_ with different templates supports
- Dockerfile for [docker image][link_docker_hub] with generated pages and `nginx` as web server - Dockerfile for docker image ([docker hub][link_docker_hub], [ghcr.io][link_ghcr]) with generated pages and `nginx` as a web server
Can be used for [Traefik error pages customization](https://docs.traefik.io/middlewares/errorpages/). **Can be used for [Traefik error pages customization](https://docs.traefik.io/middlewares/errorpages/)**.
### Demo ## Demo
Generated pages (from the latest release) always [accessible here][link_branch_gh_pages] _(sources)_ and on GitHub pages [here][link_gh_pages]. Generated pages (from the latest release) always [accessible here][link_branch_gh_pages] _(sources)_ and on GitHub pages **[here][link_gh_pages]** _(live preview)_.
## Development
> For project development we use `docker-ce` + `docker-compose`. Make sure you have them installed.
Install `nodejs` dependencies:
```bash
$ make install
```
If you want to generate error pages on your machine _(after that look into output directory)_:
```bash
$ make gen
```
If you want to preview the pages using the Docker image:
```bash
$ make preview
```
## Templates ## Templates
Name | Preview Name | Preview
:--------: | :-----: :--------: | :-----:
`ghost` | ![ghost](https://hsto.org/webt/zg/ul/cv/zgulcvxqzhazoebxhg8kpxla8lk.png) `ghost` | ![ghost](https://hsto.org/webt/ya/gy/qw/yagyqwcs8-uulrwboatmmd5jbwi.gif)
`l7-light` | ![l7-light](https://hsto.org/webt/xc/iq/vt/xciqvty-aoj-rchfarsjhutpjny.png) `l7-light` | ![l7-light](https://hsto.org/webt/xc/iq/vt/xciqvty-aoj-rchfarsjhutpjny.png)
`l7-dark` | ![l7-dark](https://hsto.org/webt/s1/ih/yr/s1ihyrqs_y-sgraoimfhk6ypney.png) `l7-dark` | ![l7-dark](https://hsto.org/webt/s1/ih/yr/s1ihyrqs_y-sgraoimfhk6ypney.png)
`shuffle` | ![shuffle](https://habrastorage.org/webt/ck/gk/lj/ckgkljezwegq5rbcocalykfgv3u.png) `shuffle` | ![shuffle](https://hsto.org/webt/m7/-p/az/m7-pazbcafvsemf47io5sqwwz8e.gif)
## Usage ## Usage
@ -61,22 +39,24 @@ Name | Description
--------------- | ----------- --------------- | -----------
`TEMPLATE_NAME` | (`ghost` by default) "default" pages template _(allows to use error pages without passing theme name in URL - `http://127.0.0.1/500.html` instead `http://127.0.0.1/ghost/500.html`)_ `TEMPLATE_NAME` | (`ghost` by default) "default" pages template _(allows to use error pages without passing theme name in URL - `http://127.0.0.1/500.html` instead `http://127.0.0.1/ghost/500.html`)_
### HTTP server for error pages serving only ### Ready docker image
Execute in your shell: Execute in your shell:
```bash ```bash
$ docker run --rm -p "8082:8080" tarampampam/error-pages:1.4.0 $ docker run --rm -p "8082:8080" tarampampam/error-pages:X.X.X
``` ```
> Important notice: do **not** use the `latest` image tag _(this is bad practice)_. Use versioned tag (like `1.2.3`) instead.
And open in your browser `http://127.0.0.1:8082/ghost/400.html`. And open in your browser `http://127.0.0.1:8082/ghost/400.html`.
### Custom error pages for [nginx][link_nginx] ### Custom error pages for your image with [nginx][link_nginx]
You can build your own docker image with `nginx` and our error pages: You can build your own docker image with `nginx` and our error pages:
```nginx ```nginx
# File `./nginx.conf` # File `nginx.conf`
server { server {
listen 80; listen 80;
@ -102,27 +82,33 @@ server {
``` ```
```dockerfile ```dockerfile
# File `Dockerfile`
FROM nginx:1.18-alpine FROM nginx:1.18-alpine
COPY --chown=nginx \ COPY --chown=nginx \
./nginx.conf /etc/nginx/conf.d/default.conf ./nginx.conf /etc/nginx/conf.d/default.conf
COPY --chown=nginx \ COPY --chown=nginx \
--from=tarampampam/error-pages:1.4.0 \ --from=tarampampam/error-pages:1.5.0 \
/opt/html/ghost /usr/share/nginx/errorpages/_error-pages /opt/html/ghost /usr/share/nginx/errorpages/_error-pages
``` ```
```shell
$ docker build --tag your-nginx:local -f ./Dockerfile .
```
> More info about `error_page` directive can be [found here](http://nginx.org/en/docs/http/ngx_http_core_module.html#error_page). > More info about `error_page` directive can be [found here](http://nginx.org/en/docs/http/ngx_http_core_module.html#error_page).
### Custom error pages for [Traefik][link_traefik] ### Custom error pages for [Traefik][link_traefik]
Simple traefik (tested on `v2.2.1`) service configuration for usage in [docker swarm][link_swarm] (**change with your needs**): Simple traefik (tested on `v2.4.8`) service configuration for usage in [docker swarm][link_swarm] (**change with your needs**):
```yaml ```yaml
version: '3.4' version: '3.4'
services: services:
error-pages: error-pages:
image: tarampampam/error-pages:1.4.0 image: tarampampam/error-pages:1.5.0
environment: environment:
TEMPLATE_NAME: l7-dark TEMPLATE_NAME: l7-dark
networks: networks:
@ -170,6 +156,28 @@ networks:
external: true external: true
``` ```
## Development
> For project development we use `docker-ce` + `docker-compose`. Make sure you have them installed.
Install "generator" dependencies:
```bash
$ make install
```
If you want to generate error pages on your machine _(after that look into the output directory)_:
```bash
$ make gen
```
If you want to preview the pages using the Docker image:
```bash
$ make preview
```
## Changes log ## Changes log
[![Release date][badge_release_date]][link_releases] [![Release date][badge_release_date]][link_releases]
@ -205,6 +213,7 @@ This is open-sourced software licensed under the [MIT License][link_license].
[link_create_issue]:https://github.com/tarampampam/error-pages/issues/new [link_create_issue]:https://github.com/tarampampam/error-pages/issues/new
[link_license]:https://github.com/tarampampam/error-pages/blob/master/LICENSE [link_license]:https://github.com/tarampampam/error-pages/blob/master/LICENSE
[link_docker_hub]:https://hub.docker.com/r/tarampampam/error-pages/ [link_docker_hub]:https://hub.docker.com/r/tarampampam/error-pages/
[link_ghcr]:https://github.com/users/tarampampam/packages/container/package/error-pages
[link_nginx]:http://nginx.org/ [link_nginx]:http://nginx.org/
[link_traefik]:https://docs.traefik.io/ [link_traefik]:https://docs.traefik.io/
[link_swarm]:https://docs.docker.com/engine/swarm/ [link_swarm]:https://docs.docker.com/engine/swarm/

71
bin/generator.js
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@ -1,71 +0,0 @@
#!/usr/bin/env node
const fs = require('fs');
const path = require('path');
const yargs = require('yargs');
const options = yargs
.usage('Usage: -c <config.json> -d <output-directory>')
.option("c", {alias: "config", describe: "config file path", type: "string", demandOption: true})
.option("o", {alias: "out", describe: "output directory path", type: "string", demandOption: true})
.argv;
const configFile = options.config;
const outDir = options.out;
try {
// Make sure that config file exists
if (! fs.existsSync(configFile)) {
throw new Error(`Config file "${configFile}" was not found`);
}
// Create output directory (if needed)
if (!fs.existsSync(outDir)){
fs.mkdirSync(outDir);
}
// Read JSON config file and parse into object
const configContent = JSON.parse(fs.readFileSync(configFile));
// Loop over all defined templates in configuration file
configContent.templates.forEach((templateConfig) => {
// Make sure that template layout file exists
if (! fs.existsSync(templateConfig.path)) {
throw new Error(`Template "${templateConfig.name}" was not found in "${templateConfig.path}"`);
}
// Read layout content into memory prepare output directory for template
const layoutContent = String(fs.readFileSync(templateConfig.path));
const templateOutDir = path.join(outDir, templateConfig.name);
if (!fs.existsSync(templateOutDir)){
fs.mkdirSync(templateOutDir);
}
console.info(`Use template "${templateConfig.name}" located in "${templateConfig.path}"`);
// Loop over all pages
configContent.pages.forEach((pageConfig) => {
let outPath = path.join(templateOutDir, `${pageConfig.code}.${configContent.output.file_extension}`);
console.info(` [${templateConfig.name}:${pageConfig.code}] Output: ${outPath}`);
// Make replaces
let result = layoutContent
.replace(/{{\s?code\s?}}/g, pageConfig.code)
.replace(/{{\s?message\s?}}/g, pageConfig.message)
.replace(/{{\s?description\s?}}/g, pageConfig.description);
// And write into result file
fs.writeFileSync(outPath, result, {
encoding: "utf8",
flag: "w+",
mode: 0o644
})
});
})
} catch (err) {
console.error(err);
process.exit(1);
}

5
docker-compose.yml
View File

@ -4,8 +4,8 @@ volumes:
tmp-data: tmp-data:
services: services:
app: node:
image: node:12.16.2-alpine # Image page: <https://hub.docker.com/_/node> image: node:15.14-alpine # Image page: <https://hub.docker.com/_/node>
working_dir: /src working_dir: /src
environment: environment:
HOME: /tmp HOME: /tmp
@ -14,4 +14,3 @@ services:
- /etc/passwd:/etc/passwd:ro - /etc/passwd:/etc/passwd:ro
- /etc/group:/etc/group:ro - /etc/group:/etc/group:ro
- .:/src:cached - .:/src:cached
- tmp-data:/tmp:cached

41
docker/docker-entrypoint.d/100-setup-error-pages.sh Executable file
View File

@ -0,0 +1,41 @@
#!/usr/bin/env sh
set -e
# allows to use random template
if [ ! -z "$TEMPLATE_NAME" ] && ([ "$TEMPLATE_NAME" = "random" ] || [ "$TEMPLATE_NAME" = "RANDOM" ]); then
# find all templates in directory (only template directories must be located in /opt/html)
allowed_templates=$(find /opt/html/* -maxdepth 1 -type d -exec basename {} \;);
# pick random template name
random_template_name=$(shuf -e -n1 $allowed_templates);
echo "$0: Use '$random_template_name' as randomly selected template";
TEMPLATE_NAME="$random_template_name"
fi;
TEMPLATE_NAME=${TEMPLATE_NAME:-ghost} # string|empty
echo "$0: Set pages for template '$TEMPLATE_NAME' as default (make accessible in root directory)";
# check for template existing
if [ ! -d "/opt/html/$TEMPLATE_NAME" ]; then
echo >&3 "$0: Template '$TEMPLATE_NAME' was not found!";
exit 1;
fi;
# allows "direct access" to the error pages using URLs like "/500.html"
ln -f -s "/opt/html/$TEMPLATE_NAME/"* /opt/html;
# on `docker restart` next directory keep existing: <https://github.com/tarampampam/error-pages/issues/3>
if [ -d /opt/html/nginx-error-pages ]; then
rm -Rf /opt/html/nginx-error-pages;
fi;
# next directory is required for easy nginx `error_page` usage
mkdir /opt/html/nginx-error-pages;
# use error pages from the template as "native" nginx error pages
ln -f -s "/opt/html/$TEMPLATE_NAME/"* /opt/html/nginx-error-pages;
exit 0

25
docker/docker-entrypoint.sh
View File

@ -1,25 +0,0 @@
#!/usr/bin/env sh
set -e
TEMPLATE_NAME=${TEMPLATE_NAME:-ghost} # string|empty
if [ -n "$TEMPLATE_NAME" ]; then
echo "$0: set pages for template '$TEMPLATE_NAME' as default (make accessible in root directory)";
if [ ! -d "/opt/html/$TEMPLATE_NAME" ]; then
(>&2 echo "$0: template '$TEMPLATE_NAME' was not found!"); exit 1;
fi;
ln -f -s "/opt/html/$TEMPLATE_NAME/"* /opt/html;
# on `docker restart` next directory keep existing: <https://github.com/tarampampam/error-pages/issues/3>
if [ -d /opt/html/nginx-error-pages ]; then
rm -Rf /opt/html/nginx-error-pages;
fi;
# next directory is required for easy nginx `error_page` usage
mkdir /opt/html/nginx-error-pages;
ln -f -s "/opt/html/$TEMPLATE_NAME/"* /opt/html/nginx-error-pages;
fi;
exec "$@"

9
generator/.gitignore vendored Normal file
View File

@ -0,0 +1,9 @@
## Vendors
/node_modules
## Lock files (use yarn only)
package-lock.json
## Temp dirs & trash
npm-debug.log
yarn-error.log

130
generator/generator.js Executable file
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@ -0,0 +1,130 @@
#!/usr/bin/env node
const fs = require('fs');
const path = require('path');
const yargs = require('yargs');
const options = yargs
.usage('Usage: -c <config.json> -d <output-directory>')
.option("c", {alias: "config", describe: "config file path", type: "string", demandOption: true})
.option("o", {alias: "out", describe: "output directory path", type: "string", demandOption: true})
.option("i", {alias: "index", describe: "generate index page", type: "boolean"})
.argv;
const configFile = options.config;
const outDir = options.out;
const generateIndexPage = options.index;
const generated = {};
try {
// Make sure that config file exists
if (!fs.existsSync(configFile)) {
throw new Error(`Config file "${configFile}" was not found`);
}
// Create output directory (if needed)
if (!fs.existsSync(outDir)) {
fs.mkdirSync(outDir);
}
// Read JSON config file and parse into object
const configContent = JSON.parse(fs.readFileSync(configFile));
// Loop over all defined templates in configuration file
configContent.templates.forEach((templateConfig) => {
// Make sure that template layout file exists
if (!fs.existsSync(templateConfig.path)) {
throw new Error(`Template "${templateConfig.name}" was not found in "${templateConfig.path}"`);
}
// Read layout content into memory prepare output directory for template
const layoutContent = String(fs.readFileSync(templateConfig.path));
const templateOutDir = path.join(outDir, templateConfig.name);
if (!fs.existsSync(templateOutDir)) {
fs.mkdirSync(templateOutDir);
}
console.info(`Use template "${templateConfig.name}" located in "${templateConfig.path}"`);
// Loop over all pages
configContent.pages.forEach((pageConfig) => {
let outFileName = pageConfig.code + "." + configContent.output.file_extension,
outPath = path.join(templateOutDir, outFileName);
console.info(` [${templateConfig.name}:${pageConfig.code}] Output: ${outPath}`);
// Make replaces
let result = layoutContent
.replace(/{{\s?code\s?}}/g, pageConfig.code)
.replace(/{{\s?message\s?}}/g, pageConfig.message)
.replace(/{{\s?description\s?}}/g, pageConfig.description);
// And write into result file
fs.writeFileSync(outPath, result, {
encoding: "utf8",
flag: "w+",
mode: 0o644
});
if (!generated[templateConfig.name]) {
generated[templateConfig.name] = [];
}
generated[templateConfig.name].push({
code: pageConfig.code,
message: pageConfig.message,
description: pageConfig.description,
path: path.join(templateConfig.name, outFileName),
})
});
})
// Generate index page for the generated content
if (generateIndexPage === true) {
const indexPageFilePath = path.join(outDir, 'index.html');
let content = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<title>Error pages list</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min.css"
integrity="sha512-P5MgMn1jBN01asBgU0z60Qk4QxiXo86+wlFahKrsQf37c9cro517WzVSPPV1tDKzhku2iJ2FVgL67wG03SGnNA=="
crossorigin="anonymous" />
</head>
<body>
<main role="main" class="container">\n`;
Object.keys(generated).forEach(function(templateName) {
content += `<h2 class="mt-5">Template name: <code>` + templateName + `</code></h2>\n<ul class="mb-5">\n`;
generated[templateName].forEach((properties) => {
content += ` <li><a href="${properties.path}"><span class="badge badge-light">${properties.code}</span>: ${properties.message}</a></li>\n`;
})
content += `</ul>\n`;
});
content += `</main>
<footer class="footer">
<div class="container text-center text-muted mt-3 mb-3">
For online documentation and support please refer to the <a href="https://github.com/tarampampam/error-pages">project repository</a>.
</div>
</footer>
</body>
</html>`;
fs.writeFileSync(indexPageFilePath, content, {
encoding: "utf8",
flag: "w+",
mode: 0o644
});
}
} catch (err) {
console.error(err);
process.exit(1);
}

2
package.json → generator/package.json
View File

@ -5,6 +5,6 @@
"url": "git://github.com/tarampampam/error-pages.git" "url": "git://github.com/tarampampam/error-pages.git"
}, },
"dependencies": { "dependencies": {
"yargs": "15.3" "yargs": "16.2"
} }
} }

109
generator/yarn.lock Normal file
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@ -0,0 +1,109 @@
# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1
ansi-regex@^5.0.0:
version "5.0.0"
resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.0.tgz#388539f55179bf39339c81af30a654d69f87cb75"
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ansi-styles@^4.0.0:
version "4.3.0"
resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-4.3.0.tgz#edd803628ae71c04c85ae7a0906edad34b648937"
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dependencies:
color-convert "^2.0.1"
cliui@^7.0.2:
version "7.0.4"
resolved "https://registry.yarnpkg.com/cliui/-/cliui-7.0.4.tgz#a0265ee655476fc807aea9df3df8df7783808b4f"
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dependencies:
string-width "^4.2.0"
strip-ansi "^6.0.0"
wrap-ansi "^7.0.0"
color-convert@^2.0.1:
version "2.0.1"
resolved "https://registry.yarnpkg.com/color-convert/-/color-convert-2.0.1.tgz#72d3a68d598c9bdb3af2ad1e84f21d896abd4de3"
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dependencies:
color-name "~1.1.4"
color-name@~1.1.4:
version "1.1.4"
resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
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emoji-regex@^8.0.0:
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escalade@^3.1.1:
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get-caller-file@^2.0.5:
version "2.0.5"
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is-fullwidth-code-point@^3.0.0:
version "3.0.0"
resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz#f116f8064fe90b3f7844a38997c0b75051269f1d"
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require-directory@^2.1.1:
version "2.1.1"
resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
integrity sha1-jGStX9MNqxyXbiNE/+f3kqam30I=
string-width@^4.1.0, string-width@^4.2.0:
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dependencies:
emoji-regex "^8.0.0"
is-fullwidth-code-point "^3.0.0"
strip-ansi "^6.0.0"
strip-ansi@^6.0.0:
version "6.0.0"
resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-6.0.0.tgz#0b1571dd7669ccd4f3e06e14ef1eed26225ae532"
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dependencies:
ansi-regex "^5.0.0"
wrap-ansi@^7.0.0:
version "7.0.0"
resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-7.0.0.tgz#67e145cff510a6a6984bdf1152911d69d2eb9e43"
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dependencies:
ansi-styles "^4.0.0"
string-width "^4.1.0"
strip-ansi "^6.0.0"
y18n@^5.0.5:
version "5.0.8"
resolved "https://registry.yarnpkg.com/y18n/-/y18n-5.0.8.tgz#7f4934d0f7ca8c56f95314939ddcd2dd91ce1d55"
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yargs-parser@^20.2.2:
version "20.2.7"
resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-20.2.7.tgz#61df85c113edfb5a7a4e36eb8aa60ef423cbc90a"
integrity sha512-FiNkvbeHzB/syOjIUxFDCnhSfzAL8R5vs40MgLFBorXACCOAEaWu0gRZl14vG8MR9AOJIZbmkjhusqBYZ3HTHw==
yargs@16.2:
version "16.2.0"
resolved "https://registry.yarnpkg.com/yargs/-/yargs-16.2.0.tgz#1c82bf0f6b6a66eafce7ef30e376f49a12477f66"
integrity sha512-D1mvvtDG0L5ft/jGWkLpG1+m0eQxOfaBvTNELraWj22wSVUMWxZUvYgJYcKh6jGGIkJFhH4IZPQhR4TKpc8mBw==
dependencies:
cliui "^7.0.2"
escalade "^3.1.1"
get-caller-file "^2.0.5"
require-directory "^2.1.1"
string-width "^4.2.0"
y18n "^5.0.5"
yargs-parser "^20.2.2"

0
static/favicon.ico
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2
static/robots.txt
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@ -1,2 +0,0 @@
User-agent: *
Disallow: /

181
yarn.lock
View File

@ -1,181 +0,0 @@
# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1
"@types/color-name@^1.1.1":
version "1.1.1"
resolved "https://registry.yarnpkg.com/@types/color-name/-/color-name-1.1.1.tgz#1c1261bbeaa10a8055bbc5d8ab84b7b2afc846a0"
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ansi-styles@^4.0.0:
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string-width "^4.2.0"
strip-ansi "^6.0.0"
wrap-ansi "^6.2.0"
color-convert@^2.0.1:
version "2.0.1"
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color-name "~1.1.4"
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decamelize@^1.2.0:
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find-up@^4.1.0:
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locate-path "^5.0.0"
path-exists "^4.0.0"
get-caller-file@^2.0.1:
version "2.0.5"
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is-fullwidth-code-point@^3.0.0:
version "3.0.0"
resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz#f116f8064fe90b3f7844a38997c0b75051269f1d"
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locate-path@^5.0.0:
version "5.0.0"
resolved "https://registry.yarnpkg.com/locate-path/-/locate-path-5.0.0.tgz#1afba396afd676a6d42504d0a67a3a7eb9f62aa0"
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dependencies:
p-locate "^4.1.0"
p-limit@^2.2.0:
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dependencies:
p-try "^2.0.0"
p-locate@^4.1.0:
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p-limit "^2.2.0"
p-try@^2.0.0:
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set-blocking@^2.0.0:
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string-width@^4.1.0, string-width@^4.2.0:
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emoji-regex "^8.0.0"
is-fullwidth-code-point "^3.0.0"
strip-ansi "^6.0.0"
strip-ansi@^6.0.0:
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dependencies:
ansi-regex "^5.0.0"
which-module@^2.0.0:
version "2.0.0"
resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
integrity sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=
wrap-ansi@^6.2.0:
version "6.2.0"
resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-6.2.0.tgz#e9393ba07102e6c91a3b221478f0257cd2856e53"
integrity sha512-r6lPcBGxZXlIcymEu7InxDMhdW0KDxpLgoFLcguasxCaJ/SOIZwINatK9KY/tf+ZrlywOKU0UDj3ATXUBfxJXA==
dependencies:
ansi-styles "^4.0.0"
string-width "^4.1.0"
strip-ansi "^6.0.0"
y18n@^4.0.0:
version "4.0.0"
resolved "https://registry.yarnpkg.com/y18n/-/y18n-4.0.0.tgz#95ef94f85ecc81d007c264e190a120f0a3c8566b"
integrity sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==
yargs-parser@^18.1.1:
version "18.1.3"
resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-18.1.3.tgz#be68c4975c6b2abf469236b0c870362fab09a7b0"
integrity sha512-o50j0JeToy/4K6OZcaQmW6lyXXKhq7csREXcDwk2omFPJEwUNOVtJKvmDr9EI1fAJZUyZcRF7kxGBWmRXudrCQ==
dependencies:
camelcase "^5.0.0"
decamelize "^1.2.0"
yargs@15.3:
version "15.3.1"
resolved "https://registry.yarnpkg.com/yargs/-/yargs-15.3.1.tgz#9505b472763963e54afe60148ad27a330818e98b"
integrity sha512-92O1HWEjw27sBfgmXiixJWT5hRBp2eobqXicLtPBIDBhYB+1HpwZlXmbW2luivBJHBzki+7VyCLRtAkScbTBQA==
dependencies:
cliui "^6.0.0"
decamelize "^1.2.0"
find-up "^4.1.0"
get-caller-file "^2.0.1"
require-directory "^2.1.1"
require-main-filename "^2.0.0"
set-blocking "^2.0.0"
string-width "^4.2.0"
which-module "^2.0.0"
y18n "^4.0.0"
yargs-parser "^18.1.1"