diff --git a/.gitignore b/.gitignore
index 8bd15663df..a6c235ffa0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,12 @@
 # Generated by Cargo
 # will have compiled files and executables
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+# backend
 /target/
+./backend/.env
+./backend/configuration/base.yaml 
+Cargo.lock
 
 # These are backup files generated by rustfmt
 **/*.rs.bk
diff --git a/backend/.env.example b/backend/.env.example
new file mode 100644
index 0000000000..8ee6c6b1d5
--- /dev/null
+++ b/backend/.env.example
@@ -0,0 +1 @@
+DATABASE_URL="postgres://postgres:password@localhost:5433/flowy"
\ No newline at end of file
diff --git a/backend/configuration/base.example.yaml b/backend/configuration/base.example.yaml
new file mode 100644
index 0000000000..4b78eb1b42
--- /dev/null
+++ b/backend/configuration/base.example.yaml
@@ -0,0 +1,9 @@
+application:
+  port: 8000
+  host: 0.0.0.0
+database:
+  host: "localhost"
+  port: 5433
+  username: "postgres"
+  password: "password"
+  database_name: "flowy"
diff --git a/doc/BUILD_ON_LINUX.md b/doc/BUILD_ON_LINUX.md
index d95828aedb..98e0b20447 100644
--- a/doc/BUILD_ON_LINUX.md
+++ b/doc/BUILD_ON_LINUX.md
@@ -34,7 +34,15 @@ source $HOME/.cargo/env
 rustup toolchain install nightly
 rustup default nightly
 ```
-3. Install flutter according to https://docs.flutter.dev/get-started/install/linux
+
+3. env settings 
+``` shell
+cp backend/configuration/base.example.yaml backend/configuration/base.yaml
+cp backend/configuration/.env.example backend/configuration/.env
+```
+modify  those file
+
+4. Install flutter according to https://docs.flutter.dev/get-started/install/linux
 ```shell
 git clone https://github.com/flutter/flutter.git
 cd flutter
@@ -43,28 +51,30 @@ export PATH="$PATH:`pwd`/bin"
 flutter channel dev
 flutter config --enable-linux-desktop
 ```
-4. Fix problem reported by flutter doctor
+5. Fix problem reported by flutter doctor
 ```shell
 flutter doctor
 ```
-5. Install cargo make
+6. Install cargo make
 ```shell
 cd appflowy/frontend
 cargo install --force cargo-make
 ```
-6. Install duckscript
+7. Install duckscript
 ```shell
 cargo install --force duckscript_cli
 ```
-7. Check pre-request
+8. Check pre-request
 ```shell
 cargo make flowy_dev
 ```
-8. [Optional] Generate protobuf for dart (optional, if you modify the shared-lib's entities)
+
+9. [Optional] Generate protobuf for dart (optional, if you modify the shared-lib's entities)
 ```shell
 cargo make -p development-linux-x86 pb
 ```
-9. [Optional] Build flowy-sdk-dev (dart-ffi), step 10 covers this step
+10. [Optional] Build flowy-sdk-dev (dart-ffi), step 10 covers this step
+
 ```shell
 # for development
 cargo make --profile development-linux-x86 flowy-sdk-dev
@@ -72,7 +82,8 @@ cargo make --profile development-linux-x86 flowy-sdk-dev
 # for production
 cargo make --profile production-linux-x86 flowy-sdk-release
 ```
-10. Build app_flowy
+
+11. Build app_flowy
 ```shell
 # for development
 cargo make -p development-linux-x86 appflowy-linux-dev