Make SERVER_NAME as optional

Author: dtan4

Dockerfile

@@ -4,6 +4,7 @@ FROM nginx:1.11.9-alpine
 RUN apk add --no-cache --update \
       apache2-utils
 
+ENV SERVER_NAME example.com
 ENV WORKER_PROCESSES auto
 
 COPY files/run.sh /

README.md

@@ -35,12 +35,12 @@ Access to http://localhost:8080 , then browser asks you username and password.
 |`BASIC_AUTH_USERNAME`|Basic auth username|
 |`BASIC_AUTH_PASSWORD`|Basic auth password|
 |`PROXY_PASS`|Proxy destination URL|
-|`SERVER_NAME`|Nginx server name|
 
 ### Optional
 
 |Key|Description|Default|
 |---|---|---|
+|`SERVER_NAME`|Value for `server_name` directive|`example.com`|
 |`WORKER_PROCESSES`|Value for `worker_processes` directive|`auto`|
 
 ## Author

files/run.sh

@@ -12,11 +12,6 @@ if [ -z $BASIC_AUTH_PASSWORD ]; then
   exit 1
 fi
 
-if [ -z $SERVER_NAME ]; then
-  echo >&2 "SERVER_NAME must be set"
-  exit 1
-fi
-
 if [ -z $PROXY_PASS ]; then
   echo >&2 "PROXY_PASS must be set"
   exit 1