aneurinandClaude Opus 5.5
3eec79fa44
The builder stage cross-compiles Caddy for the target platform, so no emulation is needed. The module check runs against the amd64 image; PR checks also build arm64. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
13 lines
529 B
Docker
13 lines
529 B
Docker
# Caddy with the caddy-dns/desec module, for ACME DNS-01 challenges against
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# zones hosted at deSEC. Otherwise the stock caddy:2-alpine image.
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# The builder runs on the build host and cross-compiles for the target
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# platform, so multi-platform builds need no emulation.
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FROM --platform=$BUILDPLATFORM caddy:2-builder AS builder
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ARG TARGETOS TARGETARCH
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RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH \
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xcaddy build --with github.com/caddy-dns/desec
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FROM caddy:2-alpine
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COPY --from=builder /usr/bin/caddy /usr/bin/caddy
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