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haproxy-manager-base/coraza-spoa/Dockerfile
Josh Knapp e4c506bcd9
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PR 1/3: add coraza-spoa sidecar image
Self-contained sidecar that runs Coraza-SPOA v0.7.1 (latest upstream as of
2026-05-08, with OWASP CRS bundled in the binary). HAProxy will consult it
per-request via SPOE in PR 2; for now this PR ships the image only.

Defines:
- coraza-spoa/Dockerfile       — multi-stage build (golang:1.25 -> distroless),
                                 pinned to v0.7.1, ARG-overridable
- coraza-spoa/config.yaml      — single application "haproxy", JSON audit log
                                 to /var/log/coraza/audit.log, SecRuleEngine
                                 DetectionOnly globally
- coraza-spoa/overrides.conf   — day-one enforce list: scanner UAs (913xxx),
                                 RCE shell injection (932100-932160),
                                 webshell paths (933170-933200), targeted LFI
                                 (930120), Log4Shell/JNDI (944100-944300).
                                 Rationale per-range documented inline.
                                 Detect-only for XSS/SQLi/protocol (high FP
                                 on WP/WooCommerce/Divi customer mix).
- coraza-spoa/README.md        — deployment shape, audit log location, pin
                                 upgrade procedure, false-positive tuning.
- .gitea/workflows/build-push-coraza.yaml — Gitea Action triggered on
                                 coraza-spoa/** changes, publishes
                                 repo.anhonesthost.net/cloud-hosting-platform/
                                 coraza-spoa:latest. Path-scoped so it
                                 doesn't fire on every haproxy-manager push.

No changes to haproxy-manager-base itself in this PR — the existing image
stays bit-identical, used standalone in home networks and other projects
without dependency on this sidecar. PR 2 will add the OPT-IN template
plumbing that lets haproxy-manager call out to this agent when an env var
is set.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 16:28:44 -07:00

54 lines
2.5 KiB
Docker

# Coraza-SPOA sidecar for haproxy-manager.
#
# Layout: built from upstream source. main.go is at the repo root; CRS rules
# are bundled into the binary at build time (referenced as @owasp_crs/), so
# the CRS version is whatever ships with the pinned coraza-spoa tag.
#
# Pin: review the upstream CHANGELOG (https://github.com/corazawaf/coraza-spoa/releases)
# before bumping. New tags can ship newer CRS, which can introduce new rules
# whose IDs fall into the "enforce day-one" ranges in overrides.conf — verify
# those are still high-confidence before promoting a new tag to prod.
ARG CORAZA_SPOA_VERSION=v0.7.1
# golang:1.25 from docker.io. Mirror to repo.anhonesthost.net if Cloudflare
# reliability becomes a recurring concern (the 2026-05-12 incident drove
# the same mirror for python:3.12-slim in the parent Dockerfile).
FROM golang:1.25 AS build
ARG CORAZA_SPOA_VERSION
WORKDIR /src
RUN apt-get update \
&& apt-get install -y --no-install-recommends git \
&& rm -rf /var/lib/apt/lists/*
RUN git clone --depth 1 --branch "${CORAZA_SPOA_VERSION}" \
https://github.com/corazawaf/coraza-spoa.git . \
&& go mod download \
&& CGO_ENABLED=0 go build -trimpath -ldflags='-s -w' -o /out/coraza-spoa .
# Distroless runtime: no shell, no package manager, no /tmp by default —
# smallest attack surface for an exposed service. Audit log directory is
# bind-mounted; coraza-spoa writes to it via direct file I/O (no shell needed).
FROM gcr.io/distroless/static-debian12:nonroot
LABEL org.opencontainers.image.title="coraza-spoa-whp" \
org.opencontainers.image.description="Coraza WAF SPOA agent configured for WHP haproxy-manager integration" \
org.opencontainers.image.source="https://repo.anhonesthost.net/cloud-hosting-platform/haproxy-manager-base"
COPY --from=build /out/coraza-spoa /coraza-spoa
COPY config.yaml /etc/coraza-spoa/config.yaml
COPY overrides.conf /etc/coraza/overrides.conf
# Audit log directory — bind-mount /var/log/coraza:/var/log/coraza from host
# so logs persist across container restarts and AI Monitor can tail them.
# Distroless nonroot user has UID 65532; the host directory must be writable
# by that UID (install script will chown it appropriately).
VOLUME ["/var/log/coraza"]
# SPOE TCP port — bound on 0.0.0.0:9000 inside the container. The host-side
# port mapping is controlled by `docker run -p` (typically not exposed beyond
# the internal docker network, since haproxy-manager reaches it by container
# name on client-net).
EXPOSE 9000
ENTRYPOINT ["/coraza-spoa", "--config", "/etc/coraza-spoa/config.yaml"]