diff --git a/swarm/README.md b/swarm/README.md
index 1e9ca36..ef6e548 100755
--- a/swarm/README.md
+++ b/swarm/README.md
@@ -153,7 +153,7 @@ creates an overlay network named ingress for publishing service ports external t
 The output for docker swarm init provides the connection command to use when you join new worker nodes to the swarm:
 
 ```shell
-$ docker swarm init
+$ docker swarm init --advertise-addr 192.168.0.248
 Swarm initialized: current node (dxn1zf6l61qsb1josjja83ngz) is now a manager.
 ```
 
diff --git a/swarm/Vagrantfile b/swarm/Vagrantfile
index 4793350..f49ea50 100755
--- a/swarm/Vagrantfile
+++ b/swarm/Vagrantfile
@@ -9,7 +9,8 @@ Vagrant.configure(2) do |config|
     manager.vm.network "forwarded_port", guest: 8000, host: 8000
     manager.vm.network "forwarded_port", guest: 5000, host: 5000
     manager.vm.network "forwarded_port", guest: 6379, host: 6379
-
+    manager.vm.network "forwarded_port", guest: 2375, host: 2375
+    manager.vm.network "forwarded_port", guest: 2376, host: 2376
   end
   config.vm.define "agent1" do |agent1|
     agent1.vm.box = "bento/ubuntu-18.04"
diff --git a/swarm/docker_install.sh b/swarm/docker_install.sh
index ec577a7..56f1286 100755
--- a/swarm/docker_install.sh
+++ b/swarm/docker_install.sh
@@ -10,13 +10,16 @@ apt-get install -y --no-install-recommends \
         gnupg2 \
         software-properties-common
 apt-get remove docker docker-engine docker.io
-# install docker
+
 curl -fsSL get.docker.com -o get-docker.sh
 sh get-docker.sh
+
 # install docker-compose
 curl -L "https://github.com/docker/compose/releases/download/1.21.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose && \
     chmod +x /usr/local/bin/docker-compose
-apt-get -y install linux-image-extra-$(uname -r)
-usermod -aG docker vagrant
-echo 'DOCKER_OPTS="-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock"' >> /etc/default/docker
-service docker restart
+
+# install docker-machine
+curl -L "https://github.com/docker/machine/releases/download/v0.15.0/docker-machine-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-machine && \
+    chmod +x /usr/local/bin/docker-machine
+
+usermod -G docker vagrant