Use Docker embedded DNS server at 127.0.0.11 if running locally

cyber-dojo · Aug 11, 2022 · dbf996b · dbf996b
1 parent 09d1705
commit dbf996b
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Showing 4 changed files with 4 additions and 5 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -18,6 +18,4 @@ COPY ports.k8s.env              /docker-entrypoint.d
 COPY ports.ecs.env              /docker-entrypoint.d
 COPY template-port-env-subst.sh /docker-entrypoint.d
 
-RUN apt-get update && apt-get install -y dnsmasq
-
 COPY gzip.conf  /etc/nginx/conf.d/gzip.conf
diff --git a/nginx.conf.template b/nginx.conf.template
@@ -10,7 +10,8 @@ server {
   listen ${CYBER_DOJO_NGINX_PORT};
   server_name localhost;
 
-  # If using local DNS server 127.0.0.1, dnsmasq need to be installed on the node
+  # Use Docker embedded DNS server at 127.0.0.11 if running locally
+  # https://stackoverflow.com/questions/35744650/docker-network-nginx-resolver
   resolver ${NGINX_RESOLVER_IP};
 
   # Path for static files

diff --git a/ports.docker.env b/ports.docker.env
@@ -21,4 +21,4 @@ CYBER_DOJO_RUNNER_HOSTNAME=runner
 CYBER_DOJO_SAVER_HOSTNAME=saver
 CYBER_DOJO_SHAS_HOSTNAME=shas
 CYBER_DOJO_WEB_HOSTNAME=web
-NGINX_RESOLVER_IP=127.0.0.1
+NGINX_RESOLVER_IP=127.0.0.11
diff --git a/ports.k8s.env b/ports.k8s.env
@@ -21,4 +21,4 @@ CYBER_DOJO_RUNNER_HOSTNAME=runner
 CYBER_DOJO_SAVER_HOSTNAME=saver
 CYBER_DOJO_SHAS_HOSTNAME=shas
 CYBER_DOJO_WEB_HOSTNAME=web
-NGINX_RESOLVER_IP=127.0.0.1
+NGINX_RESOLVER_IP=127.0.0.11