GoogleContainerTools/skaffold

Support --build-image flag for the "skaffold dev" command

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#6,619 opened on Sep 19, 2021

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area/cliarea/devbugbash/q4-2022help wantedkind/feature-requestpriority/p3

Description

Expected behavior

The --build-image flag is super helpful when using skaffold run, but it is not supported when using skaffold dev. When in local development, I sometimes want to build specific images, and not all from a long list. I'm aware it's possible to create different modules and build each, but this option is not very dynamic. Any reason this flag is not support in the for the "skaffold dev" command?

Actual behavior

no flag is available to use

Information

  • Skaffold version: v1.30.0
  • Operating system: macOS
  • Installed via: Homebrew
  • Contents of skaffold.yaml:

Steps to reproduce the behavior

  1. execute skaffold dev - no --build-image flag is available

Contributor guide

Tech stack
godockerkubernetes
Domain
clidevopsdeveloper experience
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.
half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Go programmingSkaffold CLI usageCobra CLI framework
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Investigate how the build image flag is implemented for the `skaffold run` command. Look for flag definitions in the `cmd/skaffold/app/run/` directory. Then, replicate the flag for the `dev` command, likely in `cmd/skaffold/app/dev/`. Ensure the flag works similarly for the dev mode. Check existing tests in `pkg/skaffold/runner/` for guidance.