Ensure that curl properly fails on bad responses in container-check

Caught my first fat-finger of some code 👏

webapp/scripts/container-check

@@ -12,24 +12,31 @@ function terminate {
 
 trap terminate EXIT
 
-docker run --detach -p ${PORT}:${PORT} \
+docker run --detach -e RACK_ENV=production \
+  -p ${PORT}:${PORT} \
   --name ${NAME} \
   ${IMAGE_NAME}:latest \
 
 for i in $(seq 1 10); do
   echo ">> Attempt #${i} to reach ${URL}"
-  curl -sI ${URL} 2>&1 > /dev/null
-  if [ $? -ne 0 ]; then
-    sleep 1
+  curl --silent --fail ${URL} 2>&1 > /dev/null
+  STATUS=$?
+  if [ $STATUS -eq 22 ]; then
+    echo "----> :( Container returned a bad response"
+    break;
+  elif [ $STATUS -ne 0 ]; then
+    sleep 1;
   else
     echo '----> :) The app returned a 200'
-    exit 0
+    exit 0;
   fi;
   sleep 1
 done;
 
 echo "----> :( Failed to reach the container"
 
+docker logs ${NAME}
+
 docker ps
 # If we get to here without having bailed out, something is wrong
 exit 1