Dockerisation

.dockerignore

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+.dockerignore
+.git
+.github
+Dockerfile

.github/workflows/release.yml

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+name: Release
+run-name: Release ${{ inputs.version || github.ref_name }}
+on:
+  push:
+    tags:
+      - v*
+  workflow_dispatch:
+    inputs:
+      version:
+        required: true
+        type: string
+        description: Version (vX.X.X)
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      packages: write
+    env:
+      VERSION: ${{ inputs.version || github.ref_name }}
+      RELEASE_ZIP_FILENAME: ${{ github.event.repository.name }}-${{ inputs.version || github.ref_name }}.zip
+      DOCKER_IMAGE_NAME: ghcr.io/${{ github.actor }}/${{ github.event.repository.name }}
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Create release ZIP file
+        run: zip -r $RELEASE_ZIP_FILENAME . -x /.git/* -x /.github/* -x /.dockerignore -x /Dockerfile
+      - name: Delete existing GitHub release, if any
+        env:
+          GH_TOKEN: ${{ github.token }}
+          GH_REPO: ${{ github.repository }}
+        run: gh release delete $VERSION --cleanup-tag --yes || true
+      - name: Release on GitHub
+        uses: softprops/action-gh-release@de2c0eb89ae2a093876385947365aca7b0e5f844
+        with:
+          tag_name: ${{ env.VERSION }}
+          generate_release_notes: true
+          files: ${{ env.RELEASE_ZIP_FILENAME }}
+      - name: Delete release ZIP file
+        run: rm $RELEASE_ZIP_FILENAME
+      - name: Sign into GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          provenance: false
+          tags: ${{ env.DOCKER_IMAGE_NAME }}:${{ env.VERSION }},${{ env.DOCKER_IMAGE_NAME }}:latest

Dockerfile

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+FROM python:3.10-alpine
+ARG USERNAME=app
+ARG USER_UID=10000
+ARG USER_GID=$USER_UID
+RUN addgroup -g $USER_GID $USERNAME && adduser -u $USER_UID -G $USERNAME -D $USERNAME
+USER $USERNAME
+WORKDIR /app
+COPY --chown=$USERNAME:$USERNAME requirements.txt .
+RUN pip install -r requirements.txt --no-cache-dir
+COPY --chown=$USERNAME:$USERNAME . .
+CMD ["python", "main.py"]
+EXPOSE 22334