Rename folder for clarity

examples/devcontainers/backend/start/env.ts

@@ -0,0 +1,38 @@
+/*
+|--------------------------------------------------------------------------
+| Environment variables service
+|--------------------------------------------------------------------------
+|
+| The `Env.create` method creates an instance of the Env service. The
+| service validates the environment variables and also cast values
+| to JavaScript data types.
+|
+*/
+
+import { Env } from '@adonisjs/core/env'
+
+export default await Env.create(new URL('../', import.meta.url), {
+  NODE_ENV: Env.schema.enum(['development', 'production', 'test'] as const),
+  PORT: Env.schema.number(),
+  APP_KEY: Env.schema.string(),
+  HOST: Env.schema.string({ format: 'host' }),
+  LOG_LEVEL: Env.schema.enum(['fatal', 'error', 'warn', 'info', 'debug', 'trace']),
+
+  /*
+  |----------------------------------------------------------
+  | Variables for configuring database connection
+  |----------------------------------------------------------
+  */
+  DB_HOST: Env.schema.string({ format: 'host' }),
+  DB_PORT: Env.schema.number(),
+  DB_USER: Env.schema.string(),
+  DB_PASSWORD: Env.schema.string.optional(),
+  DB_DATABASE: Env.schema.string(),
+
+  /*
+  |----------------------------------------------------------
+  | Variables for configuring session package
+  |----------------------------------------------------------
+  */
+  SESSION_DRIVER: Env.schema.enum(['cookie', 'memory'] as const)
+})