Add local dev info

.env.example

@@ -2,14 +2,27 @@
 
 # Required variables for basic local functionality
 
-# For database connection. A 16-character password with digits and letters.
-SUPABASE_DB_PASSWORD=
+# For database read access.
+# Ask the project admin. Should start with "eyJh".
 NEXT_PUBLIC_SUPABASE_KEY=
 
 # For authentication.
 # Ask the project admin. Should start with "AIza".
 NEXT_PUBLIC_FIREBASE_API_KEY=
 
+
+# Optional variables for the backend server functionality (modifying user data, etc.)
+
+# For database write access.
+# A 16-character password with digits and letters.
+# Ideally this secret should not be shared, even to the developers.
+# TODO: set up local Postgres instead of Supabase for local development, add instructions to README, and remove this variable.
+SUPABASE_DB_PASSWORD=
+
+# For Firebase access.
+GOOGLE_APPLICATION_CREDENTIALS_DEV="[...].json"
+GOOGLE_APPLICATION_CREDENTIALS_PROD="${GOOGLE_APPLICATION_CREDENTIALS_DEV}"
+
 # The URL where your local backend server is running.
 # You can change the port if needed.
 NEXT_PUBLIC_API_URL=localhost:8088

package.json

@@ -13,8 +13,8 @@
   "scripts": {
     "verify": "yarn --cwd=common verify:dir; yarn --cwd=web verify:dir; yarn --cwd=backend/shared verify:dir",
     "lint": "yarn --cwd=web lint-fix; eslint common --fix ; eslint backend/api --fix ; eslint backend/shared --fix",
-    "dev": "./dev.sh dev",
-    "prod": "./dev.sh prod",
+    "dev": "./run_local.sh dev",
+    "prod": "./run_local.sh prod",
     "test": "jest",
     "test:watch": "jest --watch",
     "test:coverage": "jest --coverage",