Add build action

.gitea/workflows/build.yaml

@@ -0,0 +1,30 @@
+name: Build dev-container
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Build image
+    runs-on: ubuntu-latest
+    container: git.namesny.com/cluster/act-runner:v1
+    env:
+      IMAGE_NAME: dev-container
+      REGISTRY: git.namesny.com
+      REPO_OWNER: mathis
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Login to Gitea registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.namesny.com
+          username: ${{ gitea.actor }}
+          password: ${{ secrets.REGISTRY_TOKEN }}
+      - name: Build and push
+        run: |
+          TODAY=$(date +'%Y-%m-%d')
+          docker build -t ${REGISTRY}/${REPO_OWNER}/${IMAGE_NAME}:${TODAY} -t ${REGISTRY}/${REPO_OWNER}/${IMAGE_NAME}:latest .
+          docker push ${REGISTRY}/${REPO_OWNER}/${IMAGE_NAME}:${TODAY}
+          docker push ${REGISTRY}/${REPO_OWNER}/${IMAGE_NAME}:latest