FROM nginxinc/nginx-unprivileged:alpine
MAINTAINER Daniel Berteaud <dbd@ehtrace.com>

ARG ELEMENT_VERSION=1.11.63 \
    SYNAPSE_ADMIN_VERSION=0.9.1

ENV ELEMENT_NGINX_BIND_ADDR=0.0.0.0 \
    ELEMENT_NGINX_BIND_PORT=8710

USER root

RUN set -eux &&\
    mkdir -p /opt/element &&\
    mkdir -p /opt/synapse-admin &&\
    curl -sSL https://github.com/element-hq/element-web/releases/download/v${ELEMENT_VERSION}/element-v${ELEMENT_VERSION}.tar.gz |\
      tar xvz -C /opt/element/ --strip-components 1 &&\
    curl -sSL https://github.com/Awesome-Technologies/synapse-admin/releases/download/${SYNAPSE_ADMIN_VERSION}/synapse-admin-${SYNAPSE_ADMIN_VERSION}.tar.gz |\
      tar xvz -C /opt/synapse-admin --strip-components 1 &&\
    rm -rf /opt/synapse-admin/data/* &&\
    chown -R root: /opt/element /opt/synapse-admin

USER nginx
EXPOSE ${ELEMENT_BIND_PORT}