ARG BASE_OS_VERSION='bookworm'
ARG PHP_VERSION='8.3'
ARG BASE_IMAGE="php:${PHP_VERSION}-fpm-${BASE_OS_VERSION}"

##########
# S6 Build
##########
FROM ${BASE_IMAGE} AS s6-build

ARG S6_DIR='/opt/s6/'
ARG S6_SRC_URL="https://github.com/just-containers/s6-overlay/releases/download"

# copy our scripts
COPY --chmod=755 src/common/ /
COPY --chmod=755 src/s6/ /

RUN docker-php-serversideup-s6-install

####################
# NGINX Signing Key
####################
FROM php:${PHP_VERSION}-fpm AS nginx-repo-config

ARG SIGNING_KEY_URL="https://nginx.org/keys/nginx_signing.key"
ARG SIGNING_FINGERPRINT="573BFD6B3D8FBC641079A6ABABF5BD827BD9BF62"
ARG SIGNING_KEY_OUTPUT_FILE="/usr/share/keyrings/nginx-archive-keyring.gpg"

# copy our scripts
COPY --chmod=755 src/common/ /

RUN docker-php-serversideup-dep-install-debian "curl gnupg2 ca-certificates lsb-release debian-archive-keyring" && \
    \
    # Import signing key
    curl "$SIGNING_KEY_URL" | gpg --dearmor | tee "$SIGNING_KEY_OUTPUT_FILE" && \
    \
    # Verify signing key
    VALID_KEY=$(gpg --dry-run --quiet --no-keyring --import --import-options import-show "$SIGNING_KEY_OUTPUT_FILE" | grep "$SIGNING_FINGERPRINT") && \
    \
    if [ -z "$VALID_KEY" ]; then \
        echo "ERROR: Key did not match signing signature!" && \
        exit 1; \
    fi && \
    \
    # setup apt repository for stable nginx packages
    echo "deb [signed-by=/usr/share/keyrings/nginx-archive-keyring.gpg] http://nginx.org/packages/debian `lsb_release -cs` nginx" | tee /etc/apt/sources.list.d/nginx.list && \
    \
    # setup repository pinning to prefer nginx packages over debian packages
    printf "Package: *\nPin: origin nginx.org\nPin-Priority: 900\n" > /etc/apt/preferences.d/99nginx

##########
# FPM-NGINX: Main Image
##########
FROM ${BASE_IMAGE}
ARG DEPENDENCY_PACKAGES_ALPINE='fcgi nginx gettext shadow'
ARG DEPENDENCY_PACKAGES_DEBIAN='libfcgi-bin nginx gettext-base procps zip'
ARG DEPENDENCY_PHP_EXTENSIONS='opcache pcntl pdo_mysql pdo_pgsql redis zip'
ARG REPOSITORY_BUILD_VERSION='dev'

LABEL org.opencontainers.image.title="serversideup/php (fpm-nginx)" \
    org.opencontainers.image.description="Supercharge your PHP experience. Based off the official PHP images, serversideup/php includes pre-configured PHP extensions and settings for enhanced performance and security. Optimized for Laravel and WordPress." \
    org.opencontainers.image.url="https://serversideup.net/open-source/docker-php/" \
    org.opencontainers.image.source="https://github.com/serversideup/docker-php" \
    org.opencontainers.image.documentation="https://serversideup.net/open-source/docker-php/docs/" \
    org.opencontainers.image.vendor="ServerSideUp" \
    org.opencontainers.image.authors="Jay Rogers (@jaydrogers)" \
    org.opencontainers.image.version="${REPOSITORY_BUILD_VERSION}" \
    org.opencontainers.image.licenses="GPL-3.0-or-later"

ENV APP_BASE_DIR=/var/www/html \
    COMPOSER_ALLOW_SUPERUSER=1 \
    COMPOSER_HOME=/composer \
    COMPOSER_MAX_PARALLEL_HTTP=24 \
    DISABLE_DEFAULT_CONFIG=false \
    LOG_OUTPUT_LEVEL=warn \
    HEALTHCHECK_PATH="/healthcheck" \
    NGINX_FASTCGI_BUFFERS="8 8k" \
    NGINX_FASTCGI_BUFFER_SIZE="8k" \
    NGINX_SERVER_TOKENS=off \
    NGINX_WEBROOT=/var/www/html/public \
    PHP_DATE_TIMEZONE="UTC" \
    PHP_DISPLAY_ERRORS=Off \
    PHP_DISPLAY_STARTUP_ERRORS=Off \
    PHP_ERROR_LOG="/dev/stderr" \
    PHP_ERROR_REPORTING="22527" \
    PHP_FPM_PM_CONTROL=dynamic \
    PHP_FPM_PM_MAX_CHILDREN="20" \
    PHP_FPM_PM_MAX_SPARE_SERVERS="3" \
    PHP_FPM_PM_MIN_SPARE_SERVERS="1" \
    PHP_FPM_PM_START_SERVERS="2" \
    PHP_FPM_POOL_NAME="www" \
    PHP_FPM_PROCESS_CONTROL_TIMEOUT="10s" \
    PHP_MAX_EXECUTION_TIME="99" \
    PHP_MAX_INPUT_TIME="-1" \
    PHP_MEMORY_LIMIT="256M" \
    PHP_OPCACHE_ENABLE="0" \
    PHP_OPCACHE_INTERNED_STRINGS_BUFFER="8" \
    PHP_OPCACHE_MAX_ACCELERATED_FILES="10000" \
    PHP_OPCACHE_MEMORY_CONSUMPTION="128" \
    PHP_OPCACHE_REVALIDATE_FREQ="2" \
    PHP_OPEN_BASEDIR="" \
    PHP_POST_MAX_SIZE="100M" \
    PHP_SESSION_COOKIE_SECURE=false \
    PHP_UPLOAD_MAX_FILE_SIZE="100M" \
    S6_BEHAVIOUR_IF_STAGE2_FAILS=2 \
    S6_CMD_WAIT_FOR_SERVICES_MAXTIME=0 \
    S6_KEEP_ENV=1 \
    S6_VERBOSITY=1 \
    SHOW_WELCOME_MESSAGE=true \
    SSL_MODE=off \
    SSL_CERTIFICATE_FILE=/etc/ssl/private/self-signed-web.crt \
    SSL_PRIVATE_KEY_FILE=/etc/ssl/private/self-signed-web.key

# copy our scripts
COPY --chmod=755 src/common/ /
COPY --chmod=755 src/s6/ /

# copy s6-overlay from s6-build
COPY --from=s6-build /opt/s6/ /

# copy php-fpm-healthcheck from s6-build
COPY --from=s6-build /usr/local/bin/php-fpm-healthcheck /usr/local/bin/php-fpm-healthcheck

# Copy NGINX setup files from the nginx-repo-config stage
COPY --from=nginx-repo-config /usr/share/keyrings/nginx-archive-keyring.gpg /usr/share/keyrings/
COPY --from=nginx-repo-config /etc/apt/sources.list.d/nginx.list /etc/apt/sources.list.d/
COPY --from=nginx-repo-config /etc/apt/preferences.d/99nginx /etc/apt/preferences.d/

# install pecl extensions, dependencies, and clean up
RUN docker-php-serversideup-dep-install-alpine "${DEPENDENCY_PACKAGES_ALPINE}" && \
    docker-php-serversideup-dep-install-debian "${DEPENDENCY_PACKAGES_DEBIAN}"  && \
    docker-php-serversideup-install-php-ext-installer && \
    \
    # Ensure /var/www/ has the correct permissions
    chown -R www-data:www-data /var/www && \
    chmod -R 755 /var/www && \
    \
    # Make composer cache directory
    mkdir -p "${COMPOSER_HOME}" && \
    chown -R www-data:www-data "${COMPOSER_HOME}" && \
    \
    # Ensure /var/cache/nginx/ exists
    mkdir -p /var/cache/nginx/ && \
    chown -R www-data:www-data /var/cache/nginx/ && \
    \
    # Install default PHP extensions
    install-php-extensions "${DEPENDENCY_PHP_EXTENSIONS}" && \
    \
    # clear all php provided fpm configurations
    rm -rf /usr/local/etc/php-fpm.d/*.conf && \
    \
    # clear all nginx provided configurations
    rm -rf /etc/nginx/conf.d/*.conf && \
    rm -rf /etc/nginx/http.d/ && \
    rm /etc/nginx/nginx.conf && \
    \
    # Docker doesn't support conditional COPY, so we have to remove the apt directory if we're on Alpine
    if cat /etc/os-release | grep -qi 'Alpine'; then \
        rm -rf /usr/share/keyrings/ && \
        rm -rf /etc/apt/; \
    fi

# Copy our nginx configurations
COPY --chmod=755 src/variations/fpm-nginx/etc/ /etc/

# copy our fpm configurations
COPY --chmod=755 src/php-fpm.d/ /

# install composer from Composer's official Docker image
COPY --from=composer:2 /usr/bin/composer /usr/bin/composer

RUN docker-php-serversideup-set-file-permissions --owner www-data:www-data --service nginx

# Fix S6 Overlay issues with Big Cloud PaaS (https://github.com/serversideup/docker-php/pull/376#issuecomment-2179262427)
RUN chown -R www-data:www-data /run

USER www-data

EXPOSE 8080 8443

ENTRYPOINT ["docker-php-serversideup-entrypoint"]

# Set stop signal to SIGQUIT for a graceful shutdown instead of S6's preferred SIGTERM (https://github.com/just-containers/s6-overlay/issues/586)
STOPSIGNAL SIGQUIT

WORKDIR ${APP_BASE_DIR}

CMD ["/init"]

HEALTHCHECK --interval=5s --timeout=3s --retries=3 \
    CMD [ "sh", "-c", "curl --insecure --silent --location --show-error --fail http://localhost:8080$HEALTHCHECK_PATH || exit 1" ]