FROM alpine:3.7
ARG VERSION
ENV TERM=xterm \
    LC_ALL=C.UTF-8 \
    LANG=en_US.UTF-8 \
    LANGUAGE=en_US.UTF-8 \
    REPLACE_OS_VARS=true \
    HOME=/home/ejabberd \
    VERSION=${VERSION:-latest} \
    ARCHIVE=ejabberd-${VERSION:-latest}.tar.gz
LABEL maintainer="ProcessOne <contact@process-one.net>" \
      product="Ejabberd Community Edition" \
      version=$VERSION

# Create directory structure and user for ejabberd
RUN addgroup ejabberd -g 9000 && adduser -s /bin/sh -D -G ejabberd ejabberd -u 9000 \
 && mkdir -p /home/ejabberd/config /home/ejabberd/db /home/ejabberd/log \
 && chown -R ejabberd:ejabberd /home/ejabberd

# Install required dependencies
RUN apk upgrade --update musl \
 && apk add bash libstdc++ ncurses-libs openssl expat yaml zlib sqlite curl ca-certificates \
 && rm -rf /var/cache/apk/* \
 && update-ca-certificates

# Install ejabberd
ADD $ARCHIVE $HOME
COPY ejabberd-api $HOME/bin/
COPY ejabberdctl $HOME/bin/
COPY config/* $HOME/config/
RUN chown ejabberd:ejabberd $HOME/config/*
COPY docker-entrypoint.sh /

# Setup runtime environment
USER ejabberd
WORKDIR $HOME
VOLUME ["$HOME/db","$HOME/config","$HOME/log"]
EXPOSE 5222 5269 5280

ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["ejabberd"]