GoogleContainerTools/skaffold

Feature request: allow skaffold build once and tag&push Image to multiple repos

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#2,169 opened on May 24, 2019

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area/buildarea/ci-cdarea/tagfixithelp wantedkind/feature-requestpriority/p2triage/discuss

Description

I'd like to use Skaffold+Jib to build my container image and push it to both an in-house Nexus Docker Registry and also push to eu.gcr.io

Currently I'm having to rebuild the Image for each repository using skaffold profiles. Could Jib build the image once and tag it with each repo name I need (same tag version) and then push it to each repo.

Benefit: Build once, push to different repos. Then use skaffold profiles to do the deployment to the different environments.

Contributor guide

Tech stack
godocker
Domain
devopsbuild system
Issue type
feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
blocked
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
Docker knowledgeSkaffold usageJib basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Investigate Skaffold's current build configuration in skaffold.yaml and the Jib builder implementation in the codebase. The goal is to allow the same image to be pushed to multiple repositories after a single build. Look at the existing assignee's comments (if any) for progress. The core challenge is modifying the image tagging and pushing logic to accept a list of registries.