# syntax=docker/dockerfile:1
# =============================================================================
# mod_reqin_log - Dockerfile de packaging RPM
# Builds RPMs for multiple RHEL-compatible versions:
#   - Rocky Linux 8 (el8) - RHEL 8 compatible
#   - Rocky Linux 9 (el9) - RHEL 9 compatible
#   - AlmaLinux 10 (el10) - RHEL 10 compatible
# =============================================================================

# =============================================================================
# Stage 1a: Builder Rocky Linux 8
# =============================================================================
FROM rockylinux:8 AS builder-el8

RUN dnf install -y epel-release && \
    dnf install -y --allowerasing \
    gcc \
    make \
    httpd \
    httpd-devel \
    apr-devel \
    apr-util-devel \
    python3 \
    curl \
    redhat-rpm-config \
    && dnf clean all

WORKDIR /build
COPY src/ src/
COPY Makefile Makefile
COPY conf/ conf/
RUN make APXS=/usr/bin/apxs
RUN ls -la modules/mod_reqin_log.so

# =============================================================================
# Stage 1b: Builder Rocky Linux 9
# =============================================================================
FROM rockylinux:9 AS builder-el9

RUN dnf install -y epel-release && \
    dnf install -y --allowerasing \
    gcc \
    make \
    httpd \
    httpd-devel \
    apr-devel \
    apr-util-devel \
    python3 \
    curl \
    redhat-rpm-config \
    && dnf clean all

WORKDIR /build
COPY src/ src/
COPY Makefile Makefile
COPY conf/ conf/
RUN make APXS=/usr/bin/apxs
RUN ls -la modules/mod_reqin_log.so

# =============================================================================
# Stage 1c: Builder AlmaLinux 10 (RHEL 10 compatible)
# =============================================================================
FROM almalinux:10 AS builder-el10

RUN dnf install -y epel-release && \
    dnf install -y --allowerasing \
    gcc \
    make \
    httpd \
    httpd-devel \
    apr-devel \
    apr-util-devel \
    python3 \
    curl \
    redhat-rpm-config \
    && dnf clean all

WORKDIR /build
COPY src/ src/
COPY Makefile Makefile
COPY conf/ conf/
RUN make APXS=/usr/bin/apxs
RUN ls -la modules/mod_reqin_log.so

# =============================================================================
# Stage 2: Package builder - fpm pour RPM
# =============================================================================
FROM ruby:3.2-bookworm AS package-builder

WORKDIR /package

# Install fpm and RPM tools
RUN apt-get update && apt-get install -y --no-install-recommends \
    rpm \
    && rm -rf /var/lib/apt/lists/* \
    && gem install fpm -v 1.16.0

# =============================================================================
# Copy binaries from each builder stage
# =============================================================================

# Rocky Linux 8 (el8)
COPY --from=builder-el8 /build/modules/mod_reqin_log.so /tmp/pkgroot-el8/usr/lib64/httpd/modules/mod_reqin_log.so
COPY --from=builder-el8 /build/conf/mod_reqin_log.conf /tmp/pkgroot-el8/etc/httpd/conf.d/mod_reqin_log.conf
RUN chmod 755 /tmp/pkgroot-el8/usr/lib64/httpd/modules/mod_reqin_log.so && \
    chmod 644 /tmp/pkgroot-el8/etc/httpd/conf.d/mod_reqin_log.conf

# Rocky Linux 9 (el9)
COPY --from=builder-el9 /build/modules/mod_reqin_log.so /tmp/pkgroot-el9/usr/lib64/httpd/modules/mod_reqin_log.so
COPY --from=builder-el9 /build/conf/mod_reqin_log.conf /tmp/pkgroot-el9/etc/httpd/conf.d/mod_reqin_log.conf
RUN chmod 755 /tmp/pkgroot-el9/usr/lib64/httpd/modules/mod_reqin_log.so && \
    chmod 644 /tmp/pkgroot-el9/etc/httpd/conf.d/mod_reqin_log.conf

# AlmaLinux 10 (el10)
COPY --from=builder-el10 /build/modules/mod_reqin_log.so /tmp/pkgroot-el10/usr/lib64/httpd/modules/mod_reqin_log.so
COPY --from=builder-el10 /build/conf/mod_reqin_log.conf /tmp/pkgroot-el10/etc/httpd/conf.d/mod_reqin_log.conf
RUN chmod 755 /tmp/pkgroot-el10/usr/lib64/httpd/modules/mod_reqin_log.so && \
    chmod 644 /tmp/pkgroot-el10/etc/httpd/conf.d/mod_reqin_log.conf

# =============================================================================
# Build RPM packages for each distribution
# =============================================================================

# Rocky Linux 8 (el8)
ARG VERSION=1.0.2
COPY CHANGELOG /tmp/pkgroot-el8/usr/share/doc/mod_reqin_log/CHANGELOG
RUN mkdir -p /packages/rpm && \
    fpm -s dir -t rpm \
    -n mod_reqin_log \
    -v "${VERSION}" \
    --rpm-dist el8 \
    -C /tmp/pkgroot-el8 \
    --architecture "x86_64" \
    --description "Apache HTTPD module for logging HTTP requests as JSON to Unix socket" \
    --url "https://github.com/example/mod_reqin_log" \
    --license "Apache-2.0" \
    --vendor "Developer <dev@example.com>" \
    --depends "httpd" \
    -p /packages/rpm/mod_reqin_log-${VERSION}-1.el8.x86_64.rpm \
    usr/lib64/httpd/modules/mod_reqin_log.so \
    etc/httpd/conf.d/mod_reqin_log.conf \
    usr/share/doc/mod_reqin_log/CHANGELOG

# Rocky Linux 9 (el9)
COPY CHANGELOG /tmp/pkgroot-el9/usr/share/doc/mod_reqin_log/CHANGELOG
RUN \
    fpm -s dir -t rpm \
    -n mod_reqin_log \
    -v "${VERSION}" \
    --rpm-dist el9 \
    -C /tmp/pkgroot-el9 \
    --architecture "x86_64" \
    --description "Apache HTTPD module for logging HTTP requests as JSON to Unix socket" \
    --url "https://github.com/example/mod_reqin_log" \
    --license "Apache-2.0" \
    --vendor "Developer <dev@example.com>" \
    --depends "httpd" \
    -p /packages/rpm/mod_reqin_log-${VERSION}-1.el9.x86_64.rpm \
    usr/lib64/httpd/modules/mod_reqin_log.so \
    etc/httpd/conf.d/mod_reqin_log.conf \
    usr/share/doc/mod_reqin_log/CHANGELOG

# AlmaLinux 10 (el10)
COPY CHANGELOG /tmp/pkgroot-el10/usr/share/doc/mod_reqin_log/CHANGELOG
RUN \
    fpm -s dir -t rpm \
    -n mod_reqin_log \
    -v "${VERSION}" \
    --rpm-dist el10 \
    -C /tmp/pkgroot-el10 \
    --architecture "x86_64" \
    --description "Apache HTTPD module for logging HTTP requests as JSON to Unix socket" \
    --url "https://github.com/example/mod_reqin_log" \
    --license "Apache-2.0" \
    --vendor "Developer <dev@example.com>" \
    --depends "httpd" \
    -p /packages/rpm/mod_reqin_log-${VERSION}-1.el10.x86_64.rpm \
    usr/lib64/httpd/modules/mod_reqin_log.so \
    etc/httpd/conf.d/mod_reqin_log.conf \
    usr/share/doc/mod_reqin_log/CHANGELOG

# =============================================================================
# Stage 3: Output - Image finale avec les packages RPM
# =============================================================================
FROM alpine:latest AS output

WORKDIR /packages
COPY --from=package-builder /packages/rpm/*.rpm /packages/rpm/

CMD ["sh", "-c", "echo '=== RPM Packages ===' && ls -la /packages/rpm/"]