ci(docker): containerize application and add forgejo release workflow

.dockerignore

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+.git
+.gitignore
+.agents
+.idea
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.pytest_cache

.forgejo/workflows/build-push.yml

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+name: Build, Push, and Release
+
+on:
+  push:
+    branches:
+      - main
+      - master
+      - 'ci/*'
+    tags:
+      - 'v*'
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Forgejo Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ gitea.server_url }}
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ gitea.server_url }}/${{ gitea.repository }}
+          tags: |
+            type=raw,value=latest,enable=${{ gitea.ref == 'refs/heads/main' || gitea.ref == 'refs/heads/master' }}
+            type=ref,event=branch
+            type=ref,event=tag
+            type=sha,prefix=
+
+      - name: Build and Push Docker Image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  create-release:
+    needs: build-and-push
+    if: (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master') || startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Create Release in Forgejo
+        run: |
+          if [ "${{ startsWith(github.ref, 'refs/tags/v') }}" = "true" ]; then
+            TAG_NAME="${GITHUB_REF#refs/tags/}"
+            RELEASE_NAME="Release ${TAG_NAME}"
+          else
+            TAG_NAME="v2.0.${{ github.run_number }}"
+            RELEASE_NAME="Phikipathia Release ${TAG_NAME}"
+          fi
+
+          echo "Creating release ${RELEASE_NAME} with tag ${TAG_NAME}..."
+
+          curl -s -X POST "${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}/releases" \
+            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            -d "{
+              \"tag_name\": \"${TAG_NAME}\",
+              \"target_commitish\": \"${{ github.sha }}\",
+              \"name\": \"${RELEASE_NAME}\",
+              \"body\": \"Phikipathia release for commit ${{ github.sha }}. Docker container images are published to the Forgejo Container Registry.\",
+              \"draft\": false,
+              \"prerelease\": false
+            }"

.gitignore

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+.idea/
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+.pytest_cache/
+.agents/

Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Prevent Python from writing .pyc files & buffer stdout/stderr
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PORT=8000 \
+    USER_AGENT="Phikipathia/1.0 (https://git.depeuter.dev/tdpeuter/2022ST-project-Phikipathia; tibo@depeuter.dev)"
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+EXPOSE 8000
+
+CMD ["python", "server.py"]

docker-compose.yml

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+services:
+  phikipathia:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: ${DOCKER_REGISTRY:-phikipathia}:${DOCKER_TAG:-latest}
+    container_name: phikipathia-app
+    restart: unless-stopped
+    ports:
+      - "${PORT:-8000}:8000"
+    environment:
+      - PORT=8000
+      - USER_AGENT=${USER_AGENT:-Phikipathia/1.0 (https://git.depeuter.dev/tdpeuter/2022ST-project-Phikipathia; tibo@depeuter.dev)}
+    healthcheck:
+      test: ["CMD-SHELL", "python -c 'import urllib.request; urllib.request.urlopen(\"http://localhost:8000/\")'"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 5s
+    deploy:
+      resources:
+        limits:
+          cpus: '1.0'
+          memory: 512M
+        reservations:
+          cpus: '0.25'
+          memory: 128M