Add build and deploy-dev job

.github/workflows/build.yml

@@ -0,0 +1,78 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+
+jobs:
+  build:
+    name: Build Golang project
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Golang 1.21
+        uses: actions/setup-go@v5
+        with:
+          go-version: '>=1.21.6'
+
+      - name: Build project
+        run: go build ./cmd/web
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: web.zip
+          path: ./
+
+  deploy-dev:
+    permissions:
+      contents: write
+    needs: [build]
+    if: ${{ github.ref == 'refs/heads/dev' }}
+
+    runs-on: ubuntu-latest
+    environment:
+      name: dev
+      url: https://github.com/${{ github.repository }}/releases/tag/v${{ vars.DEV_VERSION }}
+
+    steps:
+      - name: Download candidate artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: web.zip
+
+      - name: Release to dev
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: v${{ vars.DEV_VERSION }}
+          prerelease: true
+          draft: true
+          name: dev
+          files: web
+
+  deploy-prod:
+    needs: [build]
+    if: ${{ github.ref == 'refs/heads/main' }}
+
+    runs-on: ubuntu-latest
+    environment:
+      name: production
+      url: https://github.com/${{ github.repository }}/releases/tag/v${{ vars.PROD_VERSION }}
+
+    steps:
+      - name: Download candidate artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: web.zip
+
+      - name: GH Release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: v${{ vars.PROD_VERSION }}
+          generate_release_notes: true
+          name: Production
+          files: web