docker-postgres-backup/README.md

docker-postgres-backup

This docker image provides functionality:

1. Backup your PostgresSQL database to sql file using pg_dump
2. Compress sql file using LZMA2
3. Upload compressed file to S3 storage
4. Backup running schedule (monthly, weekly, daily, hourly)

Versions

You can use four versions:

• PostgreSQL 14: registry.gitlab.com/technocloud/docker-postgres-backup/docker-postgres-backup:pg14
• PostgreSQL 15: registry.gitlab.com/technocloud/docker-postgres-backup/docker-postgres-backup:pg15
• PostgreSQL 16: registry.gitlab.com/technocloud/docker-postgres-backup/docker-postgres-backup:pg16

SETTINGS

You can set some envs vars:

• SCHEDULE - can be monthly, weekly, daily, hourly (by default)
• DB_USER - user to connect DB, default is postgres
• DB_PASSWORD - password to connect DB, default is postgres
• DB_HOST - host to connect DB, default is localhost
• DB_PORT - port to connect DB, default is 5432
• DB_NAME - database to back up, default is postgres
• TIME_ZONE - timezone for datetime using in filenames, default is Europe/Tallinn
• COMPRESSION_LEVEL - level of LZMA compression, default is 7
• PREFIX - prefix for backup filename, default is empty

Also, please define settings for S3 storage:

• AWS_S3_REGION_NAME - default nl-ams
• AWS_S3_ENDPOINT_URL - default https://s3.nl-ams.scw.cloud
• AWS_ACCESS_KEY_ID
• AWS_SECRET_ACCESS_KEY
• AWS_BUCKET_NAME

Build docker

docker buildx build --platform=linux/arm64/v8,linux/amd64 --push --tag registry.gitlab.com/technocloud/docker-postgres-backup/docker-postgres-backup:pgXX -f Dockerfile.pgXX .