ci: switch Docker build to Kaniko (no daemon required)

.gitea/workflows/build.yaml

@@ -4,35 +4,35 @@ on: [push]
 jobs:
   build-backend:
     runs-on: ubuntu-latest
+    container:
+      image: gcr.io/kaniko-project/executor:debug
     steps:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
       - name: Build and push Backend
-        uses: docker/build-push-action@v4
-        with:
-          context: ./backend
-          push: true
-          tags: 192.168.8.250:5000/chitfund-backend:latest
-          # Local registry is insecure
-          labels: |
-            org.opencontainers.image.source=${{ gitea.repository_url }}
+        run: |
+          /kaniko/executor \
+            --context=${{ gitea.workspace }}/backend \
+            --dockerfile=${{ gitea.workspace }}/backend/Dockerfile \
+            --destination=192.168.8.250:5000/chitfund-backend:latest \
+            --insecure \
+            --skip-tls-verify \
+            --label org.opencontainers.image.source=${{ gitea.repository_url }}
 
   build-frontend:
     runs-on: ubuntu-latest
+    container:
+      image: gcr.io/kaniko-project/executor:debug
     steps:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
-
       - name: Build and push Frontend
-        uses: docker/build-push-action@v4
-        with:
-          context: ./luckychit
-          push: true
-          tags: 192.168.8.250:5000/chitfund-frontend:latest
+        run: |
+          /kaniko/executor \
+            --context=${{ gitea.workspace }}/luckychit \
+            --dockerfile=${{ gitea.workspace }}/luckychit/Dockerfile \
+            --destination=192.168.8.250:5000/chitfund-frontend:latest \
+            --insecure \
+            --skip-tls-verify