buildkit/DuplicateStageName¶
Stage names in a multi-stage build should be unique.
| Property | Value |
|---|---|
| Severity | Error |
| Category | Correctness |
| Default | Enabled |
Description¶
Defining multiple stages with the same name results in an error because the builder is unable to uniquely resolve the stage name reference.
Examples¶
Bad:
FROM debian:latest AS builder
RUN apt-get update; apt-get install -y curl
FROM golang:latest AS builder
Good:
FROM debian:latest AS deb-builder
RUN apt-get update; apt-get install -y curl
FROM golang:latest AS go-builder