Harbor Image Replication Modes

Harbor Image Replication Modes An architecture diagram generated by Archify. External Registry · Docker Hub / ECR · Pull Replication (Mirror) External Registry Docker Hub / ECR Harbor (Local) · local mirror · Pull Replication (Mirror) Harbor (Local) local mirror Harbor (Source) · source registry · Push Replication (Distribute / DR) Harbor (Source) source registry Remote Registry · ECR / Harbor DR · Push Replication (Distribute / DR) Remote Registry ECR / Harbor DR Pull Push Pull Replication (Mirror) Push Replication (Distribute / DR) Legend Backend External

Pull mode

  • • Direction: external → Harbor
  • • Replicates external images into Harbor
  • • Use cases: mirroring, caching

Push mode

  • • Direction: Harbor → external
  • • Replicates Harbor images outward
  • • Use cases: distribution, DR