#
# Builder
#
FROM abiosoft/caddy:builder as builder

ARG version="1.0.0"
ARG plugins="git,cors,realip,expires,cache"

# process wrapper
RUN go get -v github.com/abiosoft/parent

RUN VERSION=${version} PLUGINS=${plugins} /bin/sh /usr/bin/builder.sh

#
# Final stage
#
FROM alpine:3.8
LABEL maintainer "Abiola Ibrahim <abiola89@gmail.com>"

ARG version="1.0.0"
LABEL caddy_version="$version"

# PHP www-user UID and GID
ARG PUID="1000"
ARG PGID="1000"

# Let's Encrypt Agreement
ENV ACME_AGREE="false"

RUN apk add --no-cache openssh-client git tar php7-fpm curl

# essential php libs
RUN apk add --no-cache \
  php7-bcmath \
  php7-ctype \
  php7-curl \
  php7-dom \
  php7-fileinfo \
  php7-gd \
  php7-iconv \
  php7-json \
  php7-mbstring \
  php7-mysqli \
  php7-openssl \
  php7-pdo \
  php7-pdo_mysql \
  php7-pgsql \
  php7-phar \
  php7-session \
  php7-simplexml \
  php7-sqlite3 \
  php7-tokenizer \
  php7-xml \
  php7-xmlreader \
  php7-xmlwriter \
  php7-zip

# symblink php7 to php
RUN ln -sf /usr/bin/php7 /usr/bin/php

# symlink php-fpm7 to php-fpm
RUN ln -sf /usr/bin/php-fpm7 /usr/bin/php-fpm

# add a php www-user instead of nobody
RUN addgroup -g ${PGID} www-user && \
  adduser -D -H -u ${PUID} -G www-user www-user && \
  sed -i "s|^user = .*|user = www-user|g" /etc/php7/php-fpm.d/www.conf && \
  sed -i "s|^group = .*|group = www-user|g" /etc/php7/php-fpm.d/www.conf

# composer
RUN curl --silent --show-error --fail --location \
  --header "Accept: application/tar+gzip, application/x-gzip, application/octet-stream" \
  "https://getcomposer.org/installer" \
  | php -- --install-dir=/usr/bin --filename=composer

# allow environment variable access.
RUN echo "clear_env = no" >> /etc/php7/php-fpm.conf

# install caddy
COPY --from=builder /install/caddy /usr/bin/caddy

# validate install
RUN /usr/bin/caddy -version
RUN /usr/bin/caddy -plugins


EXPOSE 80 443 2015
VOLUME /root/.caddy /srv
WORKDIR /srv

COPY Caddyfile /etc/Caddyfile
COPY index.php /srv/index.php

# install process wrapper
COPY --from=builder /go/bin/parent /bin/parent

ENTRYPOINT ["/bin/parent", "caddy"]
CMD ["--conf", "/etc/Caddyfile", "--log", "stdout", "--agree=$ACME_AGREE"]