Make container memory limit configurable

docker/docker.go

@@ -288,7 +288,13 @@ func (d *docker) CreateContainer(opts CreateContainerOpts) error {
 		}
 	}
 	h.Resources.PidsLimit = pidsLimit
-	h.Resources.Memory = 4092 * Megabyte
+
+	if memLimit := os.Getenv("MAX_MEMORY_MB"); memLimit != "" {
+		if i, err := strconv.Atoi(memLimit); err == nil {
+			h.Resources.Memory = int64(i) * Megabyte
+		}
+	}
+
 	t := true
 	h.Resources.OomKillDisable = &t
 

dockerfiles/dind/Dockerfile.dind-ee

@@ -2,7 +2,7 @@ ARG VERSION=franela/docker:17.06.2-dind-ubuntu
 FROM ${VERSION}
 
 RUN apt-get update \ 
-    && apt-get install -y git tmux apache2-utils vim curl zfs jq bash-completion \
+    && apt-get install -y git tmux apache2-utils vim curl jq bash-completion \
     && rm -rf /var/lib/apt/lists/*
 
 

dockerfiles/dind/ucp.sh

@@ -10,12 +10,13 @@ function wait_for_url {
 }
 
 function deploy_ucp {
-    wait_for_url "http://localhost:2375"
+    wait_for_url "https://localhost:2376"
     docker run --rm  --name ucp \
         -v /var/run/docker.sock:/var/run/docker.sock \
         docker/ucp:2.2.3 install --force-insecure-tcp \
         --san *.direct.${PWD_HOST_FQDN} \
         --license $(cat $HOME/workshop.lic) \
+        --swarm-port 2375 \
         --admin-username admin \
         --admin-password admin1234
 }