fix id length and docker stack selection

create_ebs_env.sh

@@ -13,7 +13,7 @@ fail() {
 export AWS_DEFAULT_REGION=${AWS_REGION:-us-east-1}
 
 datetag=$(date +%Y%m%d%H%M)
-identifier=$(whoami)-invoicer-$datetag
+identifier=$(whoami)ivcr$datetag
 mkdir -p tmp/$identifier
 
 echo "Creating EBS application $identifier"
@@ -77,7 +77,7 @@ echo "ElasticBeanTalk application created"
 
 # Get the name of the latest Docker solution stack
 dockerstack="$(aws elasticbeanstalk list-available-solution-stacks | \
-    jq -r '.SolutionStacks[]' | grep -P '.+Amazon Linux.+Docker.+' | head -1)"
+    jq -r '.SolutionStacks[]' | grep -P '.+Amazon Linux.+running Docker.+' | head -1)"
 
 # Create the EB API environment
 sed "s/POSTGRESPASSREPLACEME/$dbpass/" ebs-options.json > tmp/$identifier/ebs-options.json || fail