ci: 👷 add github actions build/deploy

.dockerignore

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+.dockerignore
+Dockerfile
+.git
+.gitignore
+assets

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/gce.yml

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+name: Build and Deploy the Container to Google Compute Engine
+env:
+  PROJECT_ID: ${{ secrets.GCP_PROJECT }}
+  SERVICE: ${{ github.event.repository.name }}
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout the code from the repository
+        id: checkout
+        uses: actions/[email protected]
+
+      - name: Set up the Google Cloud SDK
+        id: setup-gcloud
+        uses: google-github-actions/[email protected]
+        with:
+          project_id: ${{ env.PROJECT_ID }}
+          service_account_key: ${{ secrets.GCP_SA_KEY }}
+          export_default_credentials: true
+
+      - name: Register Google Cloud SDK as a Docker credential helper
+        id: register-gcloud-docker
+        run: gcloud auth configure-docker
+
+      - name: Build the Docker image
+        id: build-image
+        run: docker build . -t gcr.io/${{ env.PROJECT_ID }}/${{ env.SERVICE }}:${{ github.sha }}
+
+      - name: Publish the Docker image
+        id: publish-image
+        run: docker push gcr.io/${{ env.PROJECT_ID }}/${{ env.SERVICE }}:${{ github.sha }}
+
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+    needs: build
+
+    steps:
+      - name: Deploy to Google Compute Engine through a webhook
+        id: deploy-container
+        uses: joelwmale/[email protected]
+        with:
+          url: http://${{ secrets.WEBHOOK_IP }}:9000/hooks/deploy-${{ env.SERVICE }}
+          body: '{ "secret": "${{ secrets.WEBHOOK_SECRET }}" }'

Dockerfile

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+FROM golang:1.18-rc-alpine
+
+WORKDIR /bot
+COPY . .
+
+RUN cd cmd/bot
+RUN go build
+CMD [ "./bot" ]