diff --git a/doc/environment.md b/doc/environment.md
index f7904a2..7aa2c55 100644
--- a/doc/environment.md
+++ b/doc/environment.md
@@ -21,8 +21,9 @@
 
 | Name | Default Value | Description |
 | ---- | ------------- | ----------- |
-| DB_URI | `sqlite://data.sqlite` | url in the format `TYPE://USER:PASS@HOST:PORT/NAME?EXTRA` ([read more](https://typeorm.io/#/connection-options/common-connection-options)) |
-| DB_TABLE_PREFIX | *empty* | prefix all tables if used within same database as other applications. |
-| DB_LOGGING | `false` | if `true` all db interactions will be logged to stdout |
-| DB_MIGRATE | `true` | can be used in load balanced environments to only allow one container to perform migrations / manually execute migrations
+| DATABASE_DRIVER | `sqlite` | database driver, either `sqlite` or `postgres` |
+| DATABASE_URL | `sqlite://data.sqlite` | url in the format `TYPE://USER:PASS@HOST:PORT/NAME?EXTRA` ([read more](https://typeorm.io/#/connection-options/common-connection-options)) |
+| DATABASE_TABLE_PREFIX | *empty* | prefix all tables if used within same database as other applications. |
+| DATABASE_LOGGING | `false` | if `true` all db interactions will be logged to stdout |
+| DATABASE_MIGRATE | `true` | can be used in load balanced environments to only allow one container to perform migrations / manually execute migrations
 
diff --git a/src/app.imports.ts b/src/app.imports.ts
index df01f00..429a100 100644
--- a/src/app.imports.ts
+++ b/src/app.imports.ts
@@ -108,15 +108,15 @@ export const imports = [
     useFactory: (configService: ConfigService): TypeOrmModuleOptions => ({
         name: 'ohmyform',
         synchronize: false,
-        type: configService.get<string>('DB_TYPE', 'sqlite') as any,
-        url: configService.get<string>('DB_URI', 'sqlite://data.sqlite'),
-        entityPrefix: configService.get<string>('DB_TABLE_PREFIX', ''),
-        logging: configService.get<string>('DB_LOGGING', 'false') === 'true',
+        type: configService.get<string>('DATABASE_DRIVER', 'sqlite') as any,
+        url: configService.get<string>('DATABASE_URL', 'sqlite://data.sqlite'),
+        entityPrefix: configService.get<string>('DATABASE_TABLE_PREFIX', ''),
+        logging: configService.get<string>('DATABASE_LOGGING', 'false') === 'true',
         entities,
         migrations: [
           `${__dirname}/**/migrations/**/*{.ts,.js}`,
         ],
-        migrationsRun: configService.get<boolean>('DB_MIGRATE', true),
+        migrationsRun: configService.get<boolean>('DATABASE_MIGRATE', true),
       }),
   }),
   TypeOrmModule.forFeature(entities),