Fix issue #3

* Update config.json

Add 418 error

* Update CHANGELOG.md

CHANGELOG.md

@@ -4,6 +4,21 @@ 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].
 
+## v1.3.1
+
+### Fixed
+
+- `can't create directory '/opt/html/nginx-error-pages'` error [#3]
+
+[#3]:https://github.com/tarampampam/error-pages/issues/3
+
+## v1.3.0
+
+### Added
+
+- `418` status code error page
+- Set `server_tokens off;` in `nginx` server configuration
+
 ## v1.2.0
 
 ### Fixed

README.md

@@ -65,7 +65,7 @@ Name            | Description
 Execute in your shell:
 
 ```bash
-$ docker run --rm -p "8082:8080" tarampampam/error-pages:1.2.0
+$ docker run --rm -p "8082:8080" tarampampam/error-pages:1.3.0
 ```
 
 And open in your browser `http://127.0.0.1:8082/ghost/400.html`.
@@ -106,7 +106,7 @@ FROM nginx:1.18-alpine
 COPY --chown=nginx \
      ./nginx.conf /etc/nginx/conf.d/default.conf
 COPY --chown=nginx \
-     --from=tarampampam/error-pages:1.2.0 \
+     --from=tarampampam/error-pages:1.3.0 \
      /opt/html/ghost /usr/share/nginx/errorpages/_error-pages
 ```
 
@@ -117,37 +117,52 @@ COPY --chown=nginx \
 Simple traefik (tested on `v2.2.1`) service configuration for usage in [docker swarm][link_swarm] (**change with your needs**):
 
 ```yaml
-version: '3.8'
+version: '3.4'
 
 services:
   error-pages:
-    image: tarampampam/error-pages:1.2.0
+    image: tarampampam/error-pages:1.3.0
     environment:
-      TEMPLATE_NAME: ghost
+      TEMPLATE_NAME: l7-dark
     networks:
       - traefik-public
     deploy:
       placement:
         constraints:
           - node.role == worker
-        max_replicas_per_node: 1
-      resources:
-        limits:
-          memory: 32M
-        reservations:
-          memory: 16M
       labels:
-        - traefik.enable: true
-        - traefik.docker.network: traefik-public
-        - traefik.http.routers.error-pages-router.rule: HostRegexp(`{host:.+}`)
-        - traefik.http.routers.error-pages-router.tls: true
-        - traefik.http.routers.error-pages-router.priority: 10
-        - traefik.http.routers.error-pages-router.entrypoints: https
-        - traefik.http.routers.error-pages-router.middlewares: error-pages-middleware@docker
-        - traefik.http.services.error-pages-service.loadbalancer.server.port: 8080
-        - traefik.http.middlewares.error-pages-middleware.errors.status: 400-599
-        - traefik.http.middlewares.error-pages-middleware.errors.service: error-pages-service@docker
-        - traefik.http.middlewares.error-pages-middleware.errors.query: /{status}.html
+        traefik.enable: 'true'
+        traefik.docker.network: traefik-public
+        # use as "fallback" for any non-registered services (with priority below normal)
+        traefik.http.routers.error-pages-router.rule: HostRegexp(`{host:.+}`)
+        traefik.http.routers.error-pages-router.priority: 10
+        # should say that all of your services work on https
+        traefik.http.routers.error-pages-router.tls: 'true'
+        traefik.http.routers.error-pages-router.entrypoints: https
+        traefik.http.routers.error-pages-router.middlewares: error-pages-middleware@docker
+        traefik.http.services.error-pages-service.loadbalancer.server.port: 8080
+        # "errors" middleware settings
+        traefik.http.middlewares.error-pages-middleware.errors.status: 400-599
+        traefik.http.middlewares.error-pages-middleware.errors.service: error-pages-service@docker
+        traefik.http.middlewares.error-pages-middleware.errors.query: /{status}.html
+
+  any-another-http-service:
+    image: nginx:alpine
+    networks:
+      - traefik-public
+    deploy:
+      placement:
+        constraints:
+          - node.role == worker
+      labels:
+        traefik.enable: 'true'
+        traefik.docker.network: traefik-public
+        traefik.http.routers.another-service.rule: Host(`subdomain.example.com`)
+        traefik.http.routers.another-service.tls: 'true'
+        traefik.http.routers.another-service.entrypoints: https
+        # next line is important
+        traefik.http.routers.another-service.middlewares: error-pages-middleware@docker
+        traefik.http.services.another-service.loadbalancer.server.port: 80
 
 networks:
   traefik-public:

config.json

@@ -82,6 +82,11 @@
             "message": "Requested Range Not Satisfiable",
             "description": "The requested byte range is not available and is out of bounds"
         },
+        {
+            "code": 418,
+            "message": "I'm a teapot",
+            "description": "Attempt to brew coffee with a teapot is not supported"
+        },
         {
             "code": 429,
             "message": "Too Many Requests",

docker/docker-entrypoint.sh

@@ -12,6 +12,11 @@ if [ -n "$TEMPLATE_NAME" ]; then
 
   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;

docker/nginx-server.conf

@@ -2,6 +2,8 @@ server {
   listen      8080;
   server_name _;
 
+  server_tokens off;
+
   index index.html index.htm;
   root  /opt/html;