# =============================================================================
# Platform hitch + varnish — Rocky Linux 9
# hitch (TLS, PROXY protocol) → Varnish (HTTP cache) → backend HTTP
# =============================================================================

ARG BASE_IMAGE=rockylinux:9

# ── Stage 1 : build ja4ebpf (Rocky Linux, même toolchain que la prod) ─────────
FROM rockylinux:9 AS go-builder

# libbpf-devel est dans le dépôt CRB (CodeReady Builder) de Rocky Linux 9
RUN dnf install -y epel-release dnf-plugins-core && \
    dnf config-manager --enable crb && \
    dnf install -y \
        golang \
        clang \
        llvm \
        libbpf-devel \
        kernel-headers \
        bpftool \
        make \
        && \
    dnf clean all

WORKDIR /build
COPY go.work go.work.sum* ./
COPY services/ja4ebpf/go.mod services/ja4ebpf/go.sum* ./services/ja4ebpf/
RUN cd services/ja4ebpf && go mod download 2>/dev/null; true

COPY services/ja4ebpf/ ./services/ja4ebpf/

WORKDIR /build/services/ja4ebpf
RUN GOWORK=off go generate ./internal/loader/ && \
    GOWORK=off CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
    go build -ldflags="-s -w" -o /out/ja4ebpf ./cmd/ja4ebpf/

# ── Runtime : hitch + varnish + backend + ja4ebpf ────────────────────────────
FROM ${BASE_IMAGE}

# hitch est dans EPEL ; varnish dans le dépôt officiel Rocky
RUN dnf install -y epel-release && \
    dnf install -y --allowerasing procps-ng hitch varnish openssl curl python3 && \
    dnf clean all

COPY --from=go-builder /out/ja4ebpf /usr/local/bin/ja4ebpf

# Certificat TLS auto-signé pour hitch
RUN openssl req -x509 -nodes -days 365 \
        -subj "/CN=platform.test" \
        -newkey rsa:2048 \
        -keyout /tmp/hitch.key \
        -out /tmp/hitch.crt && \
    # hitch attend un fichier PEM concaténé (clé + certificat)
    cat /tmp/hitch.key /tmp/hitch.crt > /etc/hitch/hitch.pem && \
    # lisible par nobody (user hitch worker)
    chmod 644 /etc/hitch/hitch.pem && \
    mkdir -p /var/www/html /run/varnish && \
    echo '{"status":"ok","stack":"hitch-varnish"}' > /var/www/html/health

COPY tests/integration/hitch-varnish/platform/hitch.conf    /etc/hitch/hitch.conf
COPY tests/integration/hitch-varnish/platform/varnish.vcl   /etc/varnish/default.vcl
COPY tests/integration/hitch-varnish/platform/ja4ebpf.yml   /etc/ja4ebpf/config.yml
COPY tests/integration/hitch-varnish/platform/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

EXPOSE 80 443
CMD ["/entrypoint.sh"]
