added container build

.github/workflows/release.yml

@@ -60,6 +60,26 @@ jobs:
           name: app_${{ env.file_arch }}
           path: build/app_${{ env.file_arch }}
 
+      - name: build docker image
+        run: |
+          docker buildx create --name builder --use
+          docker buildx build \
+            --platform ${{ matrix.arch }} \
+            -t swan:${{ github.run_id }}-${{ env.file_arch }} \
+            -t swan:latest \
+            --build-arg ARCH=${{ matrix.arch }} \
+            --build-arg BINARY=build/app_${{ env.file_arch }} \
+            -f Dockerfile . \
+            --output type=docker,dest=app_image_${{ env.file_arch }}.tar
+        env:
+          DOCKER_BUILDKIT: 1
+
+      - name: upload docker image artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: app_image_${{ env.file_arch }}
+          path: app_image_${{ env.file_arch }}.tar
+
   create-release:
     needs: build
     runs-on: ubuntu-latest
@@ -76,6 +96,8 @@ jobs:
         uses: softprops/action-gh-release@v1
         with:
           tag_name: release-${{ github.run_id }}
-          files: ./app_*/app_*
+          files: |
+            ./app_*/app_*
+            ./app_image_*/app_image_*
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -5,4 +5,6 @@
 .vscode
 logs
 build
-database.sqlite3
+
+# app data
+config/

Dockerfile

@@ -0,0 +1,6 @@
+ARG ARCH
+FROM --platform=$ARCH ubuntu
+RUN apt-get update && apt-get install -y libsqlite3-dev
+ARG BINARY
+COPY $BINARY /app
+ENTRYPOINT ["/app"]

README.md

@@ -116,3 +116,35 @@ You can also specify a custom prefix for the bot:
 ```yml
 BOT_PREFIX=your_prefix_here # default: .
 ```
+
+## Docker
+
+You can run the bot in a Docker container.
+A pre-built image is available in the releases section.
+
+To run your image, load the image:
+
+```sh
+docker load -i app_image_*.tar
+```
+
+then create a docker compose file with the following content:
+
+```yml
+version: "3.8"
+services:
+  swan:
+    image: swan:latest
+    volumes:
+      - ./.env:/.env
+      - config:/config
+
+volumes:
+  config:
+```
+
+Then, run:
+
+```sh
+docker compose up -d
+```

lib/plugins/database/database.dart

@@ -9,7 +9,7 @@ part 'database.g.dart';
 class SwanDatabase extends _$SwanDatabase {
   SwanDatabase()
       : super(
-          NativeDatabase.createInBackground(File('database.sqlite3')),
+          NativeDatabase.createInBackground(File('config/database.sqlite3')),
         );
 
   @override