# PHP 8.0 == 3.16
# PHP 8.1 == 3.19
# PHP 8.2 == 3.21
# PHP 8.3 == 3.21
# PHP 8.4 == 3.21
ARG OS_VERSION=3.21

FROM quay.io/teras/alpine:${OS_VERSION} AS builder

ARG PHP_VERSION=8.4
ARG PHP_SHORT_VERSION=84
ARG COMPOSER_VERSION=2.8.9

ENV PHP_VERSION=${PHP_VERSION}
ENV PHP_SHORT_VERSION=${PHP_SHORT_VERSION}
ENV COMPOSER_VERSION=${COMPOSER_VERSION}
ENV SERVER_ROOT=/app

ENV PHP_VERSION=${PHP_VERSION}
ENV COMPOSER_VERSION=${COMPOSER_VERSION}
ENV SERVER_ROOT=/app

ENV COMPOSER_HOME=${SERVER_ROOT}/.composer
ENV COMPOSER_ALLOW_SUPERUSER=0
ENV COMPOSER_NO_INTERACTION=1
ENV COMPOSER_CACHE_DIR=${COMPOSER_HOME}/cache
ENV COMPOSER_VENDOR_DIR=${COMPOSER_HOME}/vendor
ENV COMPOSER_BIN_DIR=${COMPOSER_HOME}/bin

USER root
WORKDIR ${SERVER_ROOT}

ADD https://github.com/composer/composer/releases/download/${COMPOSER_VERSION}/composer.phar /usr/local/bin/composer

# Create directory, and install required php app
RUN /bin/mkdir -p ${COMPOSER_CACHE_DIR} ${COMPOSER_VENDOR_DIR} ${COMPOSER_BIN_DIR}; \
    /bin/chown -R appuser:appuser ${COMPOSER_HOME}; \
    /sbin/apk add --update --no-cache \
              php${PHP_SHORT_VERSION} php${PHP_SHORT_VERSION}-common \
              php${PHP_SHORT_VERSION}-cli php${PHP_SHORT_VERSION}-phar \
              php${PHP_SHORT_VERSION}-iconv php${PHP_SHORT_VERSION}-mbstring \
              php${PHP_SHORT_VERSION}-json php${PHP_SHORT_VERSION}-openssl ; \
    /bin/chmod +rx /usr/local/bin/composer ;

# Create symlinks to /usr/bin/php in case it doesn't exists
RUN ln -ns /usr/bin/php${PHP_SHORT_VERSION} /usr/bin/php ; exit 0

# CLEAN APK CACHES
RUN rm -vrf /var/cache/apk/*

FROM scratch

ARG PHP_VERSION=8.4
ARG COMPOSER_VERSION=2.8.9

# Environment variables for user root
ENV PHP_VERSION=${PHP_VERSION}
ENV COMPOSER_VERSION=${COMPOSER_VERSION}
ENV SERVER_ROOT=/app

ENV COMPOSER_HOME=${SERVER_ROOT}/.composer
ENV COMPOSER_ALLOW_SUPERUSER=0
ENV COMPOSER_NO_INTERACTION=1
ENV COMPOSER_CACHE_DIR=${COMPOSER_HOME}/cache
ENV COMPOSER_VENDOR_DIR=${COMPOSER_HOME}/vendor
ENV COMPOSER_BIN_DIR=${COMPOSER_HOME}/bin
ENV LANG=en_US.UTF-8

LABEL maintainer="Muhamad Aditya Prima <aditya@teraslink.id>"
LABEL name="php"
LABEL version="${PHP_VERSION}"
LABEL distribution-scope="public"

#labels for container catalog
LABEL summary="PHP ${PHP_VERSION} on alpine linux container image"
LABEL description="Provide php on alpine linux container base image"
LABEL io.k8s.description="PHP with composer"
LABEL io.k8s.display-name="PHP ${PHP_VERSION}"

COPY --from=builder / /

WORKDIR ${SERVER_ROOT}

USER appuser

ENV PATH=${PATH}:${COMPOSER_BIN_DIR}:${COMPOSER_VENDOR_DIR}/bin

STOPSIGNAL SIGQUIT

CMD ["/usr/bin/php", "-v"]