46 lines
1.4 KiB
Docker
46 lines
1.4 KiB
Docker
# =============================================================================
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# Multi-stage Dockerfile Example
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# =============================================================================
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# This is a simple Dockerfile that will build an image of scratch-base image.
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# Usage:
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# docker build -t simple:local . && docker run --rm simple:local
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# =============================================================================
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# -----------------------------------------------------------------------------
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# Build Stage
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# -----------------------------------------------------------------------------
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FROM golang:alpine AS build
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# Important:
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# Because this is a CGO enabled package, you are required to set it as 1.
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ENV CGO_ENABLED=1
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RUN apk add --no-cache \
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# Important: required for go-sqlite3
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gcc \
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# Required for Alpine
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musl-dev
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WORKDIR /workspace
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COPY . /workspace/
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RUN \
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go mod init github.com/mattn/sample && \
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go mod tidy && \
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go install -ldflags='-s -w -extldflags "-static"' ./simple.go
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RUN \
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# Smoke test
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set -o pipefail; \
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/go/bin/simple | grep 99\ こんにちは世界099
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# -----------------------------------------------------------------------------
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# Main Stage
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# -----------------------------------------------------------------------------
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FROM scratch
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COPY --from=build /go/bin/simple /usr/local/bin/simple
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ENTRYPOINT [ "/usr/local/bin/simple" ]
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