Dockerized cron backup of a Postgres db to Amazon S3
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draffensperger Merge pull request #3 from movermeyer/add_to_copy
Switched ADD to COPY, as per modern Dockerfile recommendations.
Latest commit 83ddb80 Apr 15, 2018


Dockerized cron job to backup a Postgres database to Amazon S3 every day at midnight.

It expects the following environment variables to be set:

  • PG_S3_BACKUP_BUCKET - S3 bucket to use backup storage
  • PG_S3_BACKUP_ACCESS_KEY - AWS access key to authorize writing to the bucket
  • PG_S3_BACKUP_SECRET_KEY - AWS secret key to authorize writing to the bucket
  • PG_S3_BACKUP_HOST - Host of database to backup
  • PG_S3_BACKUP_USER - User of database to backup (assumes this user can access without password)
  • PG_S3_BACKUP_DB - Name of database to backup