fix: simplify CI/CD and Dockerfile

- Use github.actor instead of gitea.actor
- Add act-latest container for Gitea Actions
- Simplify Dockerfile to use alpine
- Remove CGO dependencies
- Fix frontend build path

.gitea/workflows/build.yml

@@ -10,49 +10,39 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    container:
+      image: catthehacker/ubuntu:act-latest
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout
+        uses: actions/checkout@v4
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           node-version: '20'
 
-      - name: Install frontend dependencies
-        working-directory: ./web
-        run: npm install
-
       - name: Build frontend
         working-directory: ./web
-        run: npm run build
+        run: |
+          npm install
+          npm run build
 
-      - name: Set up Docker Buildx
+      - name: Setup Docker
         uses: docker/setup-buildx-action@v3
 
-      - name: Login to Gitea Registry
+      - name: Login to Registry
         uses: docker/login-action@v3
         with:
           registry: git.viaeon.com
-          username: ${{ gitea.actor }}
+          username: ${{ github.actor }}
           password: ${{ secrets.TOKEN }}
 
-      - name: Extract metadata
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: git.viaeon.com/admin/anticaptcha
-          tags: |
-            type=ref,event=branch
-            type=semver,pattern={{version}}
-            type=sha
-
       - name: Build and push
         uses: docker/build-push-action@v5
         with:
           context: .
           push: true
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          tags: git.viaeon.com/admin/anticaptcha:latest
 
   deploy:
     runs-on: ubuntu-latest
@@ -68,5 +58,4 @@ jobs:
           script: |
             cd /opt/anticaptcha
             docker-compose pull
-            docker-compose up -d
-            docker image prune -f
+            docker-compose up -d