Change nginx configuration based on BASE_URL, instead of moving actual files

docker-run.sh

@@ -2,6 +2,7 @@
 
 set -e
 
+BASE_URL=${BASE_URL:-/}
 NGINX_ROOT=/usr/share/nginx/html
 INDEX_FILE=$NGINX_ROOT/index.html
 
@@ -22,13 +23,7 @@ replace_or_delete_in_index () {
 }
 
 if [ "${BASE_URL}" ]; then
-  NGINX_WITH_BASE_URL="${NGINX_ROOT}${BASE_URL}"
-
-  mkdir -p ${NGINX_WITH_BASE_URL}
-  mv ${NGINX_ROOT}/*.* ${NGINX_WITH_BASE_URL}/
-
-  INDEX_FILE=$NGINX_WITH_BASE_URL/index.html
-  NGINX_ROOT=$NGINX_WITH_BASE_URL
+  sed -i "s|location .* {|location $BASE_URL {|g" /etc/nginx/nginx.conf
 fi
 
 replace_in_index myApiKeyXXXX123456789 $API_KEY

nginx.conf

@@ -15,10 +15,11 @@ http {
   server {
     listen            8080;
     server_name       localhost;
+    index             index.html index.htm;
 
     location / {
-      root            /usr/share/nginx/html;
-      index           index.html index.htm;
+      alias            /usr/share/nginx/html/;
+
       if ($request_method = 'OPTIONS') {
           add_header 'Access-Control-Allow-Origin' '*';
           add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';