Add github action

.github/workflows/ci_cd.yml

@@ -0,0 +1,53 @@
+name: CI/CD Workflow
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: true
+          tags: docker.io/${{ secrets.DOCKERHUB_USERNAME }}/linux-odyssey:latest
+
+  deploy:
+    needs: build-and-push
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Tailscale Action
+        uses: actions/checkout@v3
+        with:
+          repository: 'tsujamin/tailscale-github-action'
+          path: '.github/actions/tailscale'
+
+      - name: Setup Tailscale VPN
+        uses: ./.github/actions/tailscale
+        with:
+          authkey: ${{ secrets.TAILSCALE_AUTH_KEY }}
+
+      - name: SSH into server and update service
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{ secrets.SERVER_HOST }}
+          username: ${{ secrets.SERVER_USER }}
+          script: |
+            cd ${{ secrets.SERVER_PATH }}
+            docker compose pull
+            docker compose up -d