postgres-s3backup's Introduction

postgres-s3backup

Alpine image with aws-cli, gpg, bzip2, psql and backup script

backup_databases

Backup postgres databases, compress the backup, optionally encrypt it with pgp and store the resulting blob in S3. Each database will be stored to a separate S3 object.

Environment variables

Variable	Description
DB_REGEX	Filter the databases to backup, eg `(dbname[1-3])`
DAYS_TO_KEEP	Remove backups older than this many days
PGUSER, PGHOST, PGPORT, PGPASSWORD	Connection parameters for pg_dump
GPG_RECIPIENT	User to encrypt content to. Should match public key (see below)
AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY	Connection credentials to S3
S3_ENDPOINT	S3 endpoint server (eg `https://s3-de-central.profitbricks.com`)
S3_BASEURL	S3 bucket name and optional leading path (eg `s3://my-basket/backups/database/

Volumes

Path	Description
`/mnt/backup-public-key.asc`	Public key to encrypt the backup to

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Dockerfile

alpine 3.20@sha256:b89d9c93e9ed3597455c90a0b88a8bbb5cb7188438f70953fede212a0c4394e0

github-actions

.github/workflows/ghcr-publish.yml

actions/checkout v4.1.7@692973e3d937129bcbf40652eb9f2f61becf3332

sigstore/cosign-installer v3.5.0@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20

docker/setup-buildx-action v3.4.0@4fd812986e6c8c2a69e18311145f9371337f27d4

docker/login-action v3.2.0@0d4c9c5ea7693da7b068278f7b52bda2a190a446

docker/metadata-action v5.5.1@8e5442c4ef9f78752691e2d8f8d19755c6f78e81

docker/build-push-action v6.4.0@a254f8ca60a858f3136a2f1f23a60969f2c402dd

aquasecurity/trivy-action 0.24.0@6e7b7d1fd3e4fef0c5fa8cce1229c54b2c9bd0d8

github/codeql-action v3@4fa2a7953630fd2f3fb380f21be14ede0169dd4f

aquasecurity/trivy-action 0.24.0@6e7b7d1fd3e4fef0c5fa8cce1229c54b2c9bd0d8