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create postgres migration
Kohei Watanabe
(Sep 16, 2023, 3:41 PM +0900)
8e62760d
966a3a2e
+55
+2
postgres-migration/.env
+2
postgres-migration/.env
+40
postgres-migration/compose.yml
+40
postgres-migration/compose.yml
···
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services:
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pgadmin:
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image: dpage/pgadmin4
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ports:
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- "8080:80"
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environment:
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PGADMIN_DEFAULT_EMAIL: postgres@db.host.docker.internal
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PGADMIN_DEFAULT_PASSWORD: ${POSTGRES_PASSWORD:?}
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volumes:
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- ./servers.json:/pgadmin4/servers.json:ro
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db:
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image: postgres:16-alpine
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environment:
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POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?}
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volumes:
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- postgres_data_v16:/var/lib/postgresql/data
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# - postgres_data_v17:/var/lib/postgresql/data
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old_db:
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profiles:
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- migration
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image: postgres:16-alpine
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# image: postgres:16-alpine
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environment:
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POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:?}
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volumes:
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- postgres_data_v16:/var/lib/postgresql/data
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volumes:
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postgres_data_v16:
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# postgres_data_v17:
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# docker compose down
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# editor compose.yml
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# add new version volume
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# replace old_db.image new → old version
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# replace db.volumes old → new version
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# docker compose --profile=migration up -d old_db db
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# docker compose exec old_db pg_dumpall --clean -U postgres | docker compose exec -T db psql -U postgres
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# docker compose up -d
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# docker compose --profile=migration down old_db
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# editor compose.yml
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# remove volume