{"id":19368747,"url":"https://github.com/chaifeng/docker-postgres-backup-s3-gpg","last_synced_at":"2026-06-13T03:34:00.282Z","repository":{"id":71584639,"uuid":"121914273","full_name":"chaifeng/docker-postgres-backup-s3-gpg","owner":"chaifeng","description":"Backup PostgreSQL database to S3/Minio with PGP 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Backup PostgreSQL Database to S3/Minio\n\nThis docker image backup and encrypt PostgreSQL database to S3/Minio periodically.\n\n## Usage\n\n### Backup to S3\n\n    docker run -d --restart unless-stopped \\\n           --name postgres_backup \\\n           -e AWS_ACCESS_KEY_ID=\"your-access-key\" \\\n           -e AWS_SECRET_ACCESS_KEY=\"your-secret-access-keys\" \\\n           -e PGP_KEY=YOUR_PGP_PUBLIC_KEY \\\n           -e BACKUP_SCHEDULE=\"0 * * * *\" \\\n           -e POSTGRES_DB=your-dbname \\\n           -e POSTGRES_HOST=your-postgres-container \\\n           -e POSTGRES_USER=your-postgres-username \\\n           -e POSTGRES_PASSWORD=\"your-postgres-password\" \\\n           --network your-network \\\n           chaifeng/postgres-backup-s3-gpg\n\n### Backup to your own Minio server\n\n    docker run -d --restart unless-stopped \\\n           --name postgres_backup \\\n           -e AWS_ENDPOINT=\"https://your.minio.server.example.com\" \\\n           -e AWS_ACCESS_KEY_ID=\"your-access-key\" \\\n           -e AWS_SECRET_ACCESS_KEY=\"your-secret-access-keys\" \\\n           -e PGP_KEY=YOUR_PGP_PUBLIC_KEY \\\n           -e BACKUP_SCHEDULE=\"0 * * * *\" \\\n           -e POSTGRES_DB=your-dbname \\\n           -e POSTGRES_HOST=your-postgres-container \\\n           -e POSTGRES_USER=root \\\n           -e POSTGRES_PASSWORD=\"your-postgres-password\" \\\n           --network your-network \\\n           chaifeng/postgres-backup-s3-gpg\n\n### Use a local PGP public key file\n\n    docker run -d --restart unless-stopped \\\n           --name postgres_backup \\\n           -e AWS_ACCESS_KEY_ID=\"your-access-key\" \\\n           -e AWS_SECRET_ACCESS_KEY=\"your-secret-access-keys\" \\\n           -v /path/to/your/pgp-key.txt:/pgp.txt \\\n           -e PGP_KEY=/pgp.txt \\\n           -e BACKUP_SCHEDULE=\"0 * * * *\" \\\n           -e POSTGRES_DB=your-dbname \\\n           -e POSTGRES_HOST=your-postgres-container \\\n           -e POSTGRES_USER=your-postgres-username \\\n           -e POSTGRES_PASSWORD=\"your-postgres-password\" \\\n           --network your-network \\\n           chaifeng/postgres-backup-s3-gpg\n\n### Use a remote PGP public key file\n\n    docker run -d --restart unless-stopped \\\n           --name postgres_backup \\\n           -e AWS_ACCESS_KEY_ID=\"your-access-key\" \\\n           -e AWS_SECRET_ACCESS_KEY=\"your-secret-access-keys\" \\\n           -e PGP_KEY=https://exaple.com/pgp-key.txt \\\n           -e BACKUP_SCHEDULE=\"0 * * * *\" \\\n           -e POSTGRES_DB=your-dbname \\\n           -e POSTGRES_HOST=your-postgres-container \\\n           -e POSTGRES_USER=your-postgres-username \\\n           -e POSTGRES_PASSWORD=\"your-postgres-password\" \\\n           chaifeng/postgres-backup-s3-gpg\n\n## Variables\n\n- `AWS_ACCESS_KEY_ID`\n  Access Key\n- `AWS_SECRET_ACCESS_KEY`\n  Securet Access Key\n- `PGP_KEY`\n  Your PGP public key ID, used to encrypt your backups\n- `POSTGRES_HOST`\n  the host/ip of your postgres database\n- `POSTGRES_DB`\n  the database name to dump.\n- `POSTGRES_USER`\n  the username of your postgres database\n- `POSTGRES_PASSWORD`\n  the password of your postgres database\n\n### Optional variables\n- `AWS_DEFAULT_REGION`\n  `us-east-1` by default\n- `AWS_ENDPOINT`\n  Customize this variable if you are using Minio, the url of your Minio server\n- `PGP_KEYSERVER`\n  the PGP key server used to retrieve you PGP public key\n- `BACKUP_SCHEDULE`\n  the interval of cron job to run postgresdump. `0 0 * * *` by default\n- `BACKUP_BUCKET`\n  the bucket of your S3/Minio\n- `BACKUP_PREFIX`\n  the default value is `postgres/%Y/%m/%d/postgres-`, please see the strftime(3) manual page\n- `BACKUP_SUFFIX`\n  the default value is `-%Y%m%d-%H%M.sql.gz.gpg`, please see the strftime(3) manual page\n\n## Decrypt\n\n    gpg --decrypt your-backup.gpg\n\n    aws s3 cp s3://your-bucket/path/to/your/backup.gpg - | gpg --output backup.sql --decrypt\n\n    mc cat minio/your-bucket/path/to/your/backup.gpg | gpg --output backup.sql --decrypt\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fchaifeng%2Fdocker-postgres-backup-s3-gpg","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fchaifeng%2Fdocker-postgres-backup-s3-gpg","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fchaifeng%2Fdocker-postgres-backup-s3-gpg/lists"}