Update

07-remote-install-docker/README.md

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+%title: Terraform
+%author: hubert
+
+# Terraform : remote_exec - Installation docker & socket
+
+<br>

07-remote-install-docker/main.tf

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+variable "ssh_host" {}
+variable "ssh_user" {}
+variable "ssh_key" {}
+resource "null_resource" "ssh_target" {
+  connection {
+    type        = "ssh"
+    user        = var.ssh_user
+    host        = var.ssh_host
+    private_key = file(var.ssh_key)
+  }
+  provisioner "remote-exec" {
+    inline = [
+      "sudo apt update -qq >/dev/null",
+      "curl -fsSL https://get.docker.com -o get-docker.sh",
+      "sudo chmod 755 get-docker.sh",
+      "sudo ./get-docker.sh >/dev/null"
+    ]
+  }
+  provisioner "file" {
+    source      = "startup-options.conf"
+    destination = "/tmp/startup-options.conf"
+  }
+  provisioner "remote-exec" {
+    inline = [
+      "sudo mkdir -p /etc/systemd/system/docker.service.d/",
+      "sudo cp /tmp/startup-options.conf /etc/systemd/system/docker.service.d/startup_options.conf",
+      "sudo systemctl daemon-reload",
+      "sudo systemctl restart docker",
+      "sudo usermod -aG docker vagrant"
+    ]
+  }
+}
+output "host" {
+value = var.ssh_host
+}
+output "user" {
+value = var.ssh_user
+}
+
+

07-remote-install-docker/startup-options.conf

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+[Service]
+ExecStart=
+ExecStart=/usr/bin/dockerd -H tcp://10.0.4.103:2375 -H unix:///var/run/docker.sock