39 lines
1.1 KiB
Docker
39 lines
1.1 KiB
Docker
# syntax=docker/dockerfile:1
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# ----- Builder stage: build all cmd/... tools -----
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FROM golang:1.24-alpine AS builder
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# Install necessary build dependencies for fetching modules
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RUN apk add --no-cache git ca-certificates && update-ca-certificates
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WORKDIR /src
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# Cache modules
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COPY go.mod go.sum ./
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RUN --mount=type=cache,target=/go/pkg/mod \
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go mod download
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# Copy the rest of the source
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COPY . .
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# Build and install all commands under ./cmd/... into /out
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ENV CGO_ENABLED=0
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ENV GOBIN=/out
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RUN --mount=type=cache,target=/go/pkg/mod \
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go install ./cmd/...
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# ----- Final runtime image: minimal alpine with tools installed -----
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FROM alpine:3.20
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# Ensure common utilities are present
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RUN apk add --no-cache bash curl ca-certificates && update-ca-certificates
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# Copy binaries from builder
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COPY --from=builder /out/ /usr/local/bin/
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# Working directory for mounting the host CWD
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WORKDIR /work
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# Default command shows available tools if run without args
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CMD ["/bin/sh", "-lc", "echo 'Tools installed:' && ls -1 /usr/local/bin && echo '\nMount your project with: docker run --rm -it -v $PWD:/work IMAGE <tool> ...'"]
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