chore : simplify self-hosting - default to postgres/sqlite

markdown/readme/languages/korean.md

@@ -145,14 +145,6 @@ NocoDB는 스프레드시트 뷰 메타데이터와 외부 데이터베이스
 
 ## Docker
 
-#### MySQL 예제
-
-```
-docker run -d -p 8080:8080 \
-    -e NC_DB="mysql2://host.docker.internal:3306?u=root&p=password&d=d1" \
-    -e NC_AUTH_JWT_SECRET="569a1821-0a93-45e8-87ab-eb857f20a010" \
-    nocodb/nocodb:latest
-```
 
 #### PostgreSQL 예제
 
@@ -170,7 +162,7 @@ docker run -d -p 8080:8080 \
 git clone https://github.com/nocodb/nocodb
 cd nocodb
 cd docker-compose
-cd mysql or pg 
+cd pg 
 docker-compose up -d
 ```