Dockerfile.webserver

FROM nginx:alpine

	# install deps. for `wait-for-it`
RUN apk add --update --no-cache \
		bash \
		coreutils \
	# setup pidfile fully owned by "nginx" user/process
	&& mkdir /var/run/nginx \
	&& chown nginx:nginx /var/run/nginx \
	&& chmod ug+w /var/run/nginx
COPY ./.docker/bin/wait-for-it ./.docker/bin/webserver-foreground.sh /usr/local/bin/

# compile webserver.frontcontroller.conf
ARG FCGI_READ_TIMEOUT=60s
ENV FCGI_HOST=app:9000 \
	FCGI_READ_TIMEOUT=$FCGI_READ_TIMEOUT
COPY ./.docker/webserver-frontcontroller.template.nginx /etc/nginx/frontcontroller.template.conf
RUN envsubst '\$FCGI_HOST \$FCGI_READ_TIMEOUT' < /etc/nginx/frontcontroller.template.conf > /etc/nginx/frontcontroller.conf

# compile nginx.conf
ARG WEBSERVER_NGINX_PORT
ENV WEBSERVER_NGINX_PORT=$WEBSERVER_NGINX_PORT
ARG WEBSERVER_NGINX_TEMPLATE=webserver.template.nginx
COPY ./.docker/$WEBSERVER_NGINX_TEMPLATE /etc/nginx/nginx.template.conf
RUN envsubst '\$WEBSERVER_NGINX_PORT' < /etc/nginx/nginx.template.conf > /etc/nginx/nginx.conf

WORKDIR /app
COPY ./www/ ./www/

ARG TAG
ENV TAG=$TAG

USER nginx
CMD ["webserver-foreground.sh"]