add workflow

.gitea/workflows/docker-publish.yml

@@ -0,0 +1,78 @@
+name: Build and Publish Containers
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*"
+    paths:
+      - "backend/**"
+      - ".gitea/workflows/docker-publish.yml"
+  workflow_dispatch:
+
+env:
+  REGISTRY: ${{ vars.GITEA_REGISTRY || 'git.hudsonriggs.systems' }}
+  REGISTRY_USERNAME: ${{ github.actor }}
+  REGISTRY_PASSWORD: ${{ secrets.REGISTRY_TOKEN || secrets.GITHUB_TOKEN }}
+  IMAGE_NAMESPACE: ${{ vars.GITEA_IMAGE_NAMESPACE || github.repository_owner }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      matrix:
+        include:
+          - name: backend
+            context: .
+            dockerfile: backend/Dockerfile
+            image: rmtpocketwatcher-backend
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Validate registry settings
+        shell: bash
+        run: |
+          if [ -z "${REGISTRY_PASSWORD}" ]; then
+            echo "Missing registry credentials. Set REGISTRY_TOKEN or ensure GITHUB_TOKEN has package write access." >&2
+            exit 1
+          fi
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ env.REGISTRY_USERNAME }}
+          password: ${{ env.REGISTRY_PASSWORD }}
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ matrix.image }}
+          tags: |
+            type=sha
+            type=ref,event=branch
+            type=ref,event=tag
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: ${{ matrix.context }}
+          file: ${{ matrix.dockerfile }}
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ matrix.image }}:buildcache
+          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/${{ matrix.image }}:buildcache,mode=max

deploy/stack.env.example

@@ -4,8 +4,8 @@ POSTGRES_PASSWORD=your_secure_password_here
 POSTGRES_DB=rmtpocketwatcher
 
 # Docker Registry Configuration
-DOCKER_REGISTRY=ghcr.io
-DOCKER_IMAGE=lambdabanking/rmtpocketwatcher-backend
+DOCKER_REGISTRY=your-gitea.example.com
+DOCKER_IMAGE=your-org-or-user/rmtpocketwatcher-backend
 IMAGE_TAG=latest
 
 # Backend Configuration