diff --git a/.env.example b/.env.example
index 05cd9cf..3a31334 100644
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,11 @@
+# PostgreSQL database credentials
+POSTGRES_USER="your_postgres_user"
+POSTGRES_PASSWORD="your_postgres_password"
+POSTGRES_DB="your_postgres_db"
+
 # The connection string for the PostgreSQL database
 # Format: postgresql://username:password@hostname:port/database_name?schema=public
-DATABASE_URL="postgresql://username:password@localhost:5432/mydb?schema=public"
+DATABASE_URL="postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/${POSTGRES_DB}?schema=public"
 
 # WebSocket URL for the LSP service (C Language - clangd)
 NEXT_PUBLIC_LSP_C_PROTOCOL="ws"
@@ -14,12 +19,12 @@ NEXT_PUBLIC_LSP_CPP_HOSTNAME="localhost"
 NEXT_PUBLIC_LSP_CPP_PORT="4595"
 NEXT_PUBLIC_LSP_CPP_PATH="/clangd"
 
-# Added by `npx auth secret`
-AUTH_SECRET="New Generated Secret"
+# Secret key for authentication (generate a secure value)
+AUTH_SECRET="your_auth_secret"
 
-# # GitHub OAuth client ID and GitHub OAuth client secret
-AUTH_GITHUB_ID=""
-AUTH_GITHUB_SECRET=""
+# GitHub OAuth client ID and GitHub OAuth client secret
+AUTH_GITHUB_ID="your_github_client_id"
+AUTH_GITHUB_SECRET="your_github_client_secret"
 
 # The base URL for authentication callbacks, typically the root URL of your application
 AUTH_URL="http://localhost:3000"