Dockerfile

FROM nginx:stable

ARG UID=1001
ARG GID=1001

RUN set -x \
# create nginx user/group first, to be consistent throughout docker variants
    && addgroup -g $GID -S nginx || true \
    && adduser -S -D -H -u $UID -h /var/cache/nginx -s /sbin/nologin -G nginx -g nginx nginx || true

RUN sed -i 's,listen       80;,listen       8080;,' /etc/nginx/conf.d/default.conf \
    && sed -i '/user  nginx;/d' /etc/nginx/nginx.conf \
    && sed -i 's,/var/run/nginx.pid,/tmp/nginx.pid,' /etc/nginx/nginx.conf \
    && sed -i "/^http {/a \    proxy_temp_path /tmp/proxy_temp;\n    client_body_temp_path /tmp/client_temp;\n    fastcgi_temp_path /tmp/fastcgi_temp;\n    uwsgi_temp_path /tmp/uwsgi_temp;\n    scgi_temp_path /tmp/scgi_temp;\n" /etc/nginx/nginx.conf \
# nginx user must own the cache and etc directory to write cache and tweak the nginx config
    && chown -R $UID:0 /var/cache/nginx \
    && chmod -R g+w /var/cache/nginx \
    && chown -R $UID:0 /etc/nginx \
    && chmod -R g+w /etc/nginx

EXPOSE 8080

STOPSIGNAL SIGQUIT

USER $UID

CMD ["nginx", "-g", "daemon off;"]