use volumes to mount nginx configuration

docker-compose.yml

@@ -71,6 +71,10 @@ services:
       - ./docker/data/nginx/skynet:/data/nginx/skynet:ro
       - ./docker/data/sia/apipassword:/data/sia/apipassword:ro
       - ./docker/data/certbot:/etc/letsencrypt
+      - ./docker/nginx/libs:/etc/nginx/libs
+      - ./docker/nginx/conf.d:/etc/nginx/conf.d
+      - ./docker/nginx/conf.d.templates:/etc/nginx/templates
+      - ./docker/nginx/nginx.conf:/usr/local/openresty/nginx/conf/nginx.conf
     networks:
       shared:
         ipv4_address: 10.10.10.30

docker/nginx/Dockerfile

@@ -14,12 +14,6 @@ ENV NGINX_ENTRYPOINT_RELOAD_EVERY_X_HOURS 6
 COPY docker/nginx/docker-entrypoint.sh /
 COPY docker/nginx/docker-entrypoint.d /docker-entrypoint.d
 
-# copy nginx configuration files and libraries
-COPY docker/nginx/libs /etc/nginx/libs
-COPY docker/nginx/conf.d /etc/nginx/conf.d
-COPY docker/nginx/conf.d.templates /etc/nginx/templates
-COPY docker/nginx/nginx.conf /usr/local/openresty/nginx/conf/nginx.conf
-
 ENTRYPOINT ["/docker-entrypoint.sh"]
 
 STOPSIGNAL SIGQUIT

docker/nginx/docker-entrypoint.d/50-generate-local-certificate.sh

@@ -7,7 +7,7 @@ set -e
 
 ME=$(basename $0)
 
-generate_local_certificate() {  
+generate_local_certificate() {
   echo >&3 "$ME: Generating locally signed ssl certificate"
   openssl req -new -newkey rsa:2048 -days 3650 -nodes -x509 \
     -subj '/CN=local-certificate' \