Add .gitea/workflows/build.yaml

.gitea/workflows/build.yaml

@@ -0,0 +1,60 @@
+name: Build & publish image
+on:
+  push:
+    branches: [main]
+  schedule:
+    - cron: '0 6 * * 1' # Mon 06:00 UTC — lands ~7h before the Monday image-update cron (13:00 UTC)
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Upstream release version to build (e.g. 0.3.2); blank = latest release'
+        required: false
+        default: ''
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Resolve upstream version
+        id: ver
+        run: |
+          INPUT="${{ github.event.inputs.version }}"
+          if [ -n "$INPUT" ]; then
+            VER="$INPUT"
+          else
+            VER=$(curl -sf https://api.github.com/repos/freeformz/paperless-ngx-mcp/releases/latest | sed -n 's/.*"tag_name": *"v\([^"]*\)".*/\1/p')
+          fi
+          echo "version=$VER" >> "$GITHUB_OUTPUT"
+
+      - name: Skip if tag already published
+        id: skip
+        run: |
+          TAG="v${{ steps.ver.outputs.version }}"
+          if docker manifest inspect "gitea.williammiceli.systems/hermes/paperless-ngx-mcp:$TAG" > /dev/null 2>&1; then
+            echo "already=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "already=false" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Write registry credentials
+        if: steps.skip.outputs.already == 'false'
+        run: |
+          mkdir -p "$HOME/.docker"
+          AUTH=$(printf 'Hermes:%s' "${{ secrets.REGISTRY_TOKEN }}" | base64 -w0)
+          printf '{"auths":{"gitea.williammiceli.systems":{"auth":"%s"}}}\n' "$AUTH" > "$HOME/.docker/config.json"
+
+      - name: Build and push
+        if: steps.skip.outputs.already == 'false'
+        run: |
+          VER="${{ steps.ver.outputs.version }}"
+          IMAGE="gitea.williammiceli.systems/hermes/paperless-ngx-mcp"
+          docker build --build-arg PAPERLESS_VERSION="$VER" -t "$IMAGE:v$VER" -t "$IMAGE:latest" .
+          docker push "$IMAGE:v$VER"
+          docker push "$IMAGE:latest"