Add build action

.gitea/workflows/build.yml

@@ -0,0 +1,23 @@
+name: rtj.dev Build and Deploy
+run-name: Build and Deploy
+on: [push]
+
+jobs:
+  Build-and-Deploy:
+    runs-on: docker
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - run: echo "💡 The ${{ gitea.repository }} repository has been cloned to the runner."
+      - name: Pass login information
+        env: 
+          DOCKER_AUTH_CONFIG: ${{ secrets.DOCKER_AUTH_CONFIG }}
+        run: |
+          docker info
+          mkdir -p $HOME/.docker
+          echo "$DOCKER_AUTH_CONFIG" > $HOME/.docker/config.json
+
+      - name: Build Docker Image
+        run: |
+          docker build -f Dockerfile -t rtj.dev:0.0.1
+          docker push rtj.dev:0.0.1