Adding start-nginx-solo

bin/compile

@@ -9,6 +9,8 @@ nginx_version=$(./bin/nginx-$STACK -V 2>&1 | head -1 | awk '{ print $NF }')
 echo "-----> nginx-buildpack: Installed ${nginx_version} to app/bin"
 cp bin/start-nginx "$1/bin/"
 echo '-----> nginx-buildpack: Added start-nginx to app/bin'
+cp bin/start-nginx-solo "$1/bin/"
+echo '-----> nginx-buildpack: Added start-nginx-solo to app/bin'
 cp scripts/build_nginx.sh "$1/scripts/"
 echo '-----> nginx-buildpack: Added build_nginx.sh to app/scripts'
 

bin/start-nginx-solo.sh

@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+psmgr=/tmp/nginx-buildpack-wait
+rm -f $psmgr
+mkfifo $psmgr
+
+#Evaluate config to get $PORT
+erb config/nginx.conf.erb > config/nginx.conf
+
+#Evaluate to write port file
+erb config/port_config.erb > config/port_config
+
+n=1
+while getopts :f option ${@:1:2}
+do
+        case "${option}"
+        in
+                f) FORCE=$OPTIND; n=$((n+1));;
+        esac
+done
+
+#Initialize log directory.
+mkdir -p logs/nginx
+touch logs/nginx/access.log logs/nginx/error.log
+echo 'buildpack=nginx at=logs-initialized'
+
+#Start log redirection.
+(
+  #Redirect NGINX logs to stdout.
+  tail -qF -n 0 logs/nginx/*.log
+  echo 'logs' >$psmgr
+) &
+
+
+#Start NGINX
+(
+  #We expect nginx to run in foreground.
+  #We also expect a socket to be at /tmp/nginx.socket.
+  echo 'buildpack=nginx at=nginx-start'
+  bin/nginx -p . -c config/nginx.conf
+  echo 'nginx' >$psmgr
+) &
+
+#This read will block the process waiting on a msg to be put into the fifo.
+#If any of the processes defined above should exit,
+#a msg will be put into the fifo causing the read operation
+#to un-block. The process putting the msg into the fifo
+#will use it's process name as a msg so that we can print the offending
+#process to stdout.
+read exit_process <$psmgr
+echo "buildpack=nginx at=exit process=$exit_process"
+exit 1