Starts nginx inside the bash script

Dockerfile

@@ -26,12 +26,9 @@ RUN chmod +x ./entrypoint.sh
 
 # The entrypoint.sh script will run after the container finishes starting.
 # Substitutes environment variables in nginx configuration and index.html,
-# then reloads nginx.
+# then starts/reloads nginx.
 ENTRYPOINT ["./entrypoint.sh", \
             "/etc/nginx/html/index.html,/etc/nginx/conf.d/default.conf", \
             "PRODUCTION,API_URL,IRB_URL,HOME_ROUTE,BASE_HREF,PORT0", \
             "/etc/nginx/html", \
             "true"]
-
-### STAGE 3: Profit! ###
-CMD ["nginx", "-g", "daemon off;"]

docker/substitute-env-variables.sh

@@ -89,9 +89,16 @@ done
 if [ $num_args -ge 4 ] && [ "$4" == "true" ]; then
   # Check to see if nginx command is available
   if hash nginx 2> /dev/null; then
-    echo "Reloading nginx..."
+    # Check to see if nginx is already running
+    if [ -e /var/run/nginx.pid ]; then
+      echo "nginx is currently running. Reloading nginx..."
       exec nginx -s reload
       echo "nginx reloaded."
+    else
+      echo "nginx is not yet running. Starting nginx..."
+      exec nginx -g 'daemon off;'
+      echo "nginx started."
+    fi
   else
     echo "nginx command not found on this system."
   fi