fix: add migrations service to docker-compose and update build workflow for migrations image

.gitea/workflows/build.yml

@@ -21,6 +21,11 @@ jobs:
           docker build -t ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:app -f app/Dockerfile .
           docker push ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:app
 
+      - name: Build and push migrations image
+        run: |
+          docker build -t ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:migrations -f migrations/Dockerfile .
+          docker push ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:migrations
+
   deploy:
     runs-on: ubuntu-latest
     needs: build
@@ -28,7 +33,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Instasll SSH key
+      - name: Install SSH key
         uses: webfactory/ssh-agent@v0.9.0
         with:
           ssh-private-key: ${{ secrets.DEPLOY_SSH_KEY }}
@@ -47,6 +52,7 @@ jobs:
           ssh ${{ secrets.LXC_USER }}@${{ secrets.LXC_HOST }} << 'EOF'
             echo "${{ secrets.TOKEN }}" | docker login ${{ secrets.GIT_HOST }} -u ${{ secrets.USERNAME }} --password-stdin
             docker pull ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:app
+            docker pull ${{ secrets.GIT_HOST }}/${{ gitea.repository }}:migrations
             cd /srv/app
             docker compose up -d --force-recreate
             docker image prune -f

docker-compose-ci.yml

@@ -26,8 +26,24 @@ services:
     ports:
       - "80:8000"
     depends_on:
-      - postgres
+      postgres:
-      - redis
+        condition: service_started
+      redis:
+        condition: service_started
+      migrations:
+        condition: service_completed_successfully
+
+  migrations:
+    image: ${GIT_HOST}/${GIT_USER}/${GIT_REPO}:migrations
+    restart: "no"
+    env_file:
+      - .env
+    environment:
+      DB_HOST: postgres
+      REDIS_URL: redis://redis:6379/0
+    depends_on:
+      postgres:
+        condition: service_started
 
   postgres:
     image: postgres:16-alpine

migrations/Dockerfile

@@ -0,0 +1,26 @@
+# syntax=docker/dockerfile:1.7
+
+FROM ghcr.io/astral-sh/uv:python3.14-alpine AS builder
+WORKDIR /opt/migrations
+
+COPY pyproject.toml uv.lock ./
+RUN uv sync --frozen --no-dev
+
+COPY app ./app
+COPY migrations ./migrations
+COPY alembic.ini .
+
+FROM python:3.14-alpine AS runtime
+ENV PYTHONUNBUFFERED=1 PYTHONDONTWRITEBYTECODE=1
+ENV PATH="/opt/app/.venv/bin:${PATH}"
+WORKDIR /opt/app
+
+RUN apk add --no-cache postgresql-libs
+
+COPY --from=builder /opt/migrations/.venv /opt/app/.venv
+COPY app ./app
+COPY migrations ./migrations
+COPY alembic.ini .
+COPY pyproject.toml .
+
+ENTRYPOINT ["alembic", "upgrade", "head"]