39 lines
1.4 KiB
Docker
39 lines
1.4 KiB
Docker
# syntax=docker/dockerfile:1
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#
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# Multi-stage build: xcaddy compiles Caddy with the Coraza WAF plugin and the
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# OWASP Core Rule Set embedded at build time, then the final image is a minimal
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# debian:bookworm-slim layer that ships only the compiled binary.
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#
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# Rebuild whenever the ARG versions below change; Ansible will detect the
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# Dockerfile checksum change and re-run `podman build`.
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FROM golang:1.26-trixie AS builder
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ARG XCADDY_VERSION=v0.3.5
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ARG CADDY_VERSION=v2.11.2
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ARG CORAZA_CADDY_VERSION=v2.5.0
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ARG CORAZA_CRS_VERSION=v4.7.0
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RUN go install "github.com/caddyserver/xcaddy/cmd/xcaddy@${XCADDY_VERSION}"
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RUN xcaddy build "${CADDY_VERSION}" \
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--with "github.com/corazawaf/coraza-caddy/v2@${CORAZA_CADDY_VERSION}" \
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--with "github.com/corazawaf/coraza-coreruleset@${CORAZA_CRS_VERSION}"
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# ── Runtime image ──────────────────────────────────────────────────────────────
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FROM debian:trixie-slim
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends ca-certificates \
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&& rm -rf /var/lib/apt/lists/*
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COPY --from=builder /go/caddy /usr/bin/caddy
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RUN groupadd --system --gid 1000 caddy \
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&& useradd --system --uid 1000 --gid caddy --no-create-home caddy
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EXPOSE 80 3100 3200 4317 4318 8080
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ENTRYPOINT ["/usr/bin/caddy"]
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CMD ["run", "--config", "/etc/caddy/Caddyfile", "--adapter", "caddyfile"]
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