ci: merge two CI workflows into one

.github/workflows/staging.yml → .github/workflows/build_and_deploy.yml

@@ -1,18 +1,19 @@
-name: Deploy to staging when pushing on staging
+name: Build and deploy when pushing on staging or main
 
 on:
   push:
     branches:
+      - main
       - staging
       - feat/github-ci
 
 jobs:
 
-  deploy-staging:
+  build-deploy:
 
-    environment: staging
-
-    name: Deploy to staging from ${{ github.ref_name }}/${{ github.sha }}
+    name: Deploy from ${{ github.ref_name }}/${{ github.sha }}
+    
+    environment: ${{ github.ref_name == 'main' && 'prod' || 'staging' }}
 
     runs-on: ubuntu-latest
 
@@ -21,6 +22,16 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Set environment for branch
+        run: |
+          if [[ $GITHUB_REF_NAME == 'main' ]]; then
+              echo "ENV=my-project-stg" >> "$GITHUB_ENV"
+              echo "EN=staging" >> "$GITHUB_ENV"
+          else
+              echo "GLCOUD_PROJECT=my-project-prd" >> "$GITHUB_ENV"
+              echo "VERCEL_TARGET=production" >> "$GITHUB_ENV"
+          fi
+
       - name: Get current CI job ID
         env:
           GH_TOKEN: ${{ github.token }}