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chore: update Dockerfile.dev-self-contained to allow better build cache (#1755)

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jebabin 2023-09-18 14:30:32 +02:00 • committed by GitHub
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dockerfiles/Dockerfile.dev-self-contained
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@ -7,6 +7,13 @@ FROM golang:alpine as builder
# use version (for example "v0.3.3") or "main" # use version (for example "v0.3.3") or "main"
ARG WATCHTOWER_VERSION=main ARG WATCHTOWER_VERSION=main
# Pre download required modules to avoid redownloading at each build thanks to docker layer caching.
# Copying go.mod and go.sum ensure to invalid the layer/build cache if there is a change in module requirement
WORKDIR /watchtower
COPY go.mod .
COPY go.sum .
RUN go mod download
RUN apk add --no-cache \ RUN apk add --no-cache \
alpine-sdk \ alpine-sdk \
ca-certificates \ ca-certificates \