MySQL to PostgreSQL
docker-compose.yml
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version: '3.8'
services:
database-server-mysql:
image: mysql:8.0.30
volumes:
- ./data/database-data-mysql:/var/lib/mysql
- ./conf/init-scripts/database-mysql:/docker-entrypoint-initdb.d
restart: always
environment:
MYSQL_ROOT_PASSWORD: secret
MYSQL_DATABASE: dbname
MYSQL_USER: username
MYSQL_PASSWORD: secret
ports:
- "3306:3306"
database-gui-mysql:
image: phpmyadmin/phpmyadmin:5.2.0
depends_on:
- database-server-mysql
restart: always
environment:
PMA_HOST: database-server-mysql
PMA_USER: root
PMA_PASSWORD: secret
ports:
- "8081:80"
database-server-postgresql:
image: postgres:15.1
volumes:
- ./data/database-data-postgresql:/var/lib/postgresql/data
- ./conf/init-scripts/database-postgresql:/docker-entrypoint-initdb.d
restart: always
environment:
POSTGRES_DB: dbname
POSTGRES_USER: username
POSTGRES_PASSWORD: secret
ports:
- "5432:5432"
database-gui-postgresql:
image: dpage/pgadmin4:6.18
volumes:
- ./data/database-gui-data-postgresql:/var/lib/pgadmin
depends_on:
- database-server-postgresql
restart: always
environment:
PGADMIN_DEFAULT_EMAIL: dev@aripd.com
PGADMIN_DEFAULT_PASSWORD: secret
ports:
- "5050:80"
debian:
image: debian:bookworm
stdin_open: true # docker run -i
tty: true # docker run -t
volumes:
data:
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Run docker compose
Then open debian
machine in terminal and run below commands inside the machine debian
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apt-get update && apt-get upgrade
apt-get install pgloader sqlite3
pgloader --verbose --no-ssl-cert-verification mysql://username:secret@database-server-mysql:3306/dbname "postgresql://username:secret@database-server-postgresql:5432/dbname"
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Errors
FATAL error: Failed to connect to pgsql at “database-server-postgresql” (port 5432) as user “username”: 10 fell through ECASE expression. Wanted one of (0 2 3 4 5 6 7 8).
The problem is that currently pgloader doesn’t support caching_sha2_password authentication plugin, which is default for MySQL 8, whereas older MySQL versions use mysql_native_password plugin. The corresponding issue is opened on Github.
ERROR: type “longtext” does not exist
Postgres doesn’t have a LONGTEXT datatype, so keep using TEXT.
Character Types