update image, no supervisor

Dockerfile

@@ -1,18 +1,8 @@
-FROM ubuntu:trusty
+FROM ubuntu:bionic
 
 RUN apt-get update && \
-    apt-get install -y nginx-light supervisor && \
+    apt-get install -y nginx-extras && \
     rm -rf /var/lib/apt/lists/* && \
     echo 'daemon off;' >> /etc/nginx/nginx.conf
 
-# Supervisor confs
-ADD supervisor.conf /etc/supervisor/conf.d/supervisor.conf
-ADD supervisor-nginx.conf /etc/supervisor/conf.d/nginx.conf
-
-# Startup tasks
-
-ENTRYPOINT ["supervisord"]
-
-EXPOSE 80
-EXPOSE 443
-
+ENTRYPOINT ["/usr/sbin/nginx"]