feat: add CD workflow

.gitea/workflows/publish-docker.yaml

@@ -0,0 +1,40 @@
+name: Create and publish a Docker image
+
+on:
+  push:
+    branches: ['main', 'feature/cd']
+
+env:
+  REGISTRY: labs.phundrak.com
+  IMAGE_NAME: ${{ gitea.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.DOCKER_REGISTRY_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -50,8 +50,7 @@ RUN --mount=type=bind,source=src,target=src \
     --mount=type=cache,target=/usr/local/cargo/registry/ \
     <<EOF
 set -e
-# xx-cargo build --locked --release --target-dir ./target
-xx-cargo build --locked --target-dir ./target
+xx-cargo build --locked --release --target-dir ./target
 cp ./target/$(xx-cargo --print-target-triple)/debug/$APP_NAME /bin/server
 xx-verify /bin/server
 EOF
@@ -66,7 +65,7 @@ EOF
 # By specifying the "3.18" tag, it will use version 3.18 of alpine. If
 # reproducability is important, consider using a digest
 # (e.g., alpine@sha256:664888ac9cfd28068e062c991ebcff4b4c7307dc8dd4df9e728bedde5c449d91).
-FROM alpine:3.18 AS final
+FROM alpine:3.19 AS final
 
 # Create a non-privileged user that the app will run under.
 # See https://docs.docker.com/go/dockerfile-user-best-practices/