dev deployment settings

Author: mwunderl

.ebextensions/ssh.config renamed to .ebextensions/dev.config

@@ -15,6 +15,15 @@ option_settings:
   ## Prevent Beanstalk from adding SSH ingress to instance SG
   aws:autoscaling:launchconfiguration:
     SSHSourceRestriction: tcp, 22, 22, 127.0.0.1/32
+  aws:autoscaling:asg:
+    MaxSize: 1
+  aws:autoscaling:updatepolicy:rollingupdate:
+    RollingUpdateEnabled: "false"
+  aws:elasticbeanstalk:command:
+    DeploymentPolicy: AllAtOnce
+    IgnoreHealthCheck: "true"
+  aws:elasticbeanstalk:monitoring:
+    Automatically Terminate Unhealthy Instances: "false"
 
 Resources:
   ## Extend instance security group with SSH rule