deploy: added deployment settings with cicd

.env.dev.example

@@ -1,6 +1,8 @@
 # Database
 MONGO_URL=
 
-# Firebase
+# Auth
 MOBILE_CLIENT_ID=
+
+# JWT
 JWT_SECRET=

.env.local.example

@@ -1,6 +1,8 @@
 # Database
 MONGO_URL=
 
-# Firebase
+# Auth
 MOBILE_CLIENT_ID=
+
+# JWT
 JWT_SECRET=

.env.prod.example

@@ -1,6 +1,8 @@
 # Database
 MONGO_URL=
 
-# Firebase
+# Auth
 MOBILE_CLIENT_ID=
+
+# JWT
 JWT_SECRET=

.github/workflows/firebase-deploy.yml

@@ -0,0 +1,27 @@
+name: Deploy NestJS API to Firebase
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: '16'
+      - name: Install dependencies.
+        run: npm install
+      - name: Set correct firebase project based on git branch.
+        run: echo "FIREBASE_PROJECT=$(if [ ${{ github.ref }} == 'refs/heads/main' ]; then echo 'prod'; else echo 'dev'; fi)" >> $GITHUB_ENV
+      - name: Deploy to firebase cloud functions.
+        uses: w9jds/firebase-action@master
+        with:
+          args: deploy --only functions --project ${{ env.FIREBASE_PROJECT }}
+        env:
+          FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}

firebase.json

@@ -14,19 +14,5 @@
         "npm --prefix \"$RESOURCE_DIR\" run build"
       ]
     }
-  ],
-  "hosting": {
-    "public": "dist",
-    "ignore": [
-      "firebase.json",
-      "**/.*",
-      "**/node_modules/**"
-    ],
-    "rewrites": [
-      {
-        "source": "**",
-        "destination": "/index.html"
-      }
-    ]
-  }
+  ]
 }

package.json

@@ -16,6 +16,8 @@
     "start:dev": "nest start --watch",
     "start:debug": "nest start --debug --watch",
     "start:prod": "node dist/main",
+    "deploy:dev": "firebase deploy --only functions --project dev",
+    "deploy:prod": "firebase deploy --only functions --project prod",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
     "test": "jest",
     "test:watch": "jest --watch",

src/index.ts

@@ -6,8 +6,6 @@ import * as functions from 'firebase-functions';
 
 const server = express();
 
-// This is for prod.
-
 export const createNestServer = async (expressInstance) => {
   const app = await NestFactory.create(
     AppModule,