Add GitHub Actions workflow for code check and TypeScript build

.gitea/workflows/build.yml

@@ -0,0 +1,115 @@
+name: Code Check
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*"
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  check:
+    runs-on: docker
+    container:
+      image: node:20
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      
+      - name: Install dependencies
+        run: npm ci
+      
+      - name: Build TypeScript
+        run: npm run build
+
+  build_image:
+    runs-on: docker
+    container:
+      image: node:20-alpine
+    needs: check
+    if: ${{ github.event_name == 'push' }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Docker CLI + Buildx
+        shell: sh
+        run: |
+          apk add --no-cache docker-cli docker-cli-buildx
+
+      - name: Build image metadata
+        id: meta
+        shell: sh
+        run: |
+          SERVER_URL="${GITHUB_SERVER_URL:-${GITEA_SERVER_URL:-}}"
+          if [ -z "$SERVER_URL" ]; then
+            echo "Neither GITHUB_SERVER_URL nor GITEA_SERVER_URL is set."
+            exit 1
+          fi
+
+          REGISTRY_HOST="${SERVER_URL#http://}"
+          REGISTRY_HOST="${REGISTRY_HOST#https://}"
+          IMAGE_REPO="$(echo "$GITHUB_REPOSITORY" | tr '[:upper:]' '[:lower:]')"
+
+          echo "registry_host=$REGISTRY_HOST" >> "$GITHUB_OUTPUT"
+          echo "image=$REGISTRY_HOST/$IMAGE_REPO" >> "$GITHUB_OUTPUT"
+
+      - name: Log in to Gitea Container Registry
+        shell: sh
+        env:
+          REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
+          REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
+          LEGACY_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          ACTOR_USERNAME: ${{ github.actor }}
+        run: |
+          USERNAME="$REGISTRY_USERNAME"
+          TOKEN="$REGISTRY_TOKEN"
+
+          if [ -z "$USERNAME" ]; then
+            USERNAME="$ACTOR_USERNAME"
+          fi
+
+          if [ -z "$TOKEN" ]; then
+            TOKEN="$LEGACY_TOKEN"
+          fi
+
+          if [ -z "$USERNAME" ] || [ -z "$TOKEN" ]; then
+            echo "Registry login failed: set REGISTRY_USERNAME and REGISTRY_TOKEN (or fallback GITEA_TOKEN)."
+            exit 1
+          fi
+
+          echo "$TOKEN" | docker login "${{ steps.meta.outputs.registry_host }}" -u "$USERNAME" --password-stdin
+
+      - name: Build and push image
+        shell: sh
+        run: |
+          IMAGE="${{ steps.meta.outputs.image }}"
+          SHA_TAG="${GITHUB_SHA}"
+          REF_TYPE="${GITHUB_REF_TYPE}"
+          REF_NAME="${GITHUB_REF_NAME}"
+
+          TAG_ARGS="--tag $IMAGE:$SHA_TAG"
+
+          if [ "$REF_TYPE" = "branch" ] && [ "$REF_NAME" = "main" ]; then
+            TAG_ARGS="$TAG_ARGS --tag $IMAGE:latest"
+          fi
+
+          if [ "$REF_TYPE" = "tag" ]; then
+            case "$REF_NAME" in
+              v[0-9]*.[0-9]*.[0-9]*)
+                MAJOR="$(echo "$REF_NAME" | cut -d. -f1)"
+                MINOR="$(echo "$REF_NAME" | cut -d. -f2)"
+                TAG_ARGS="$TAG_ARGS --tag $IMAGE:$REF_NAME --tag $IMAGE:$MAJOR.$MINOR --tag $IMAGE:$MAJOR"
+                ;;
+              *)
+                TAG_ARGS="$TAG_ARGS --tag $IMAGE:$REF_NAME"
+                ;;
+            esac
+          fi
+
+          docker buildx version
+          docker buildx build --push $TAG_ARGS .