diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..449faea
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/builds
+/packer_cache
diff --git a/packer.json b/packer.json
new file mode 100644
index 0000000..5de4de9
--- /dev/null
+++ b/packer.json
@@ -0,0 +1,67 @@
+{
+  "provisioners": [],
+  "builders": [
+    {
+      "type": "virtualbox-iso",
+      "boot_command": [
+        "<enter><wait><f6><esc><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
+        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
+        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
+        "<bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs><bs>",
+        "/install/vmlinuz ",
+        " auto ",
+        " console-setup/ask_detect=false ",
+        " console-setup/layoutcode=us ",
+        " console-setup/modelcode=pc105 ",
+        " debconf/frontend=noninteractive ",
+        " debian-installer=en_US ",
+        " fb=false ",
+        " initrd=/install/initrd.gz ",
+        " kbd-chooser/method=us ",
+        " keyboard-configuration/layout=USA ",
+        " keyboard-configuration/variant=USA ",
+        " locale=en_US ",
+        " netcfg/get_domain=vm ",
+        " netcfg/get_hostname=vagrant ",
+        " grub-installer/bootdev=/dev/sda ",
+        " noapic ",
+        " preseed/url=http://{{ .HTTPIP }}:{{ .HTTPPort }}/preseed.cfg",
+        " -- <wait>",
+        "<enter><wait>"
+      ],
+      "boot_wait": "10s",
+      "disk_size": 10000,
+      "guest_os_type": "Ubuntu_64",
+      "headless": false,
+      "http_directory": "preseeds",
+      "iso_urls": "http://releases.ubuntu.com/16.04/ubuntu-16.04.2-server-amd64.iso",
+      "iso_checksum_type": "sha256",
+      "iso_checksum": "737ae7041212c628de5751d15c3016058b0e833fdc32e7420209b76ca3d0a535",
+      "ssh_username": "vagrant",
+      "ssh_password": "vagrant",
+      "ssh_wait_timeout": "20m",
+      "shutdown_command": "echo 'vagrant'|sudo -S shutdown -P now",
+      "vm_name": "packer-ubuntu-16.04-amd64",
+      "vboxmanage": [
+        [
+          "modifyvm",
+          "{{.Name}}",
+          "--memory",
+          "1024"
+        ],
+        [
+          "modifyvm",
+          "{{.Name}}",
+          "--cpus",
+          "1"
+        ]
+      ]
+    }
+  ],
+  "post-processors": [
+    {
+      "output": "builds/{{.Provider}}-mastodon-ubuntu1604.box",
+      "type": "vagrant"
+    }
+  ]
+}
diff --git a/preseeds/preseed.cfg b/preseeds/preseed.cfg
new file mode 100644
index 0000000..e94135a
--- /dev/null
+++ b/preseeds/preseed.cfg
@@ -0,0 +1,39 @@
+choose-mirror-bin mirror/http/proxy string
+d-i base-installer/kernel/override-image string linux-server
+d-i clock-setup/utc boolean true
+d-i clock-setup/utc-auto boolean true
+d-i finish-install/reboot_in_progress note
+d-i grub-installer/only_debian boolean true
+d-i grub-installer/with_other_os boolean true
+d-i partman-auto-lvm/guided_size string max
+d-i partman-auto/choose_recipe select atomic
+d-i partman-auto/method string lvm
+d-i partman-lvm/confirm boolean true
+d-i partman-lvm/confirm boolean true
+d-i partman-lvm/confirm_nooverwrite boolean true
+d-i partman-lvm/device_remove_lvm boolean true
+d-i partman/choose_partition select finish
+d-i partman/confirm boolean true
+d-i partman/confirm_nooverwrite boolean true
+d-i partman/confirm_write_new_label boolean true
+d-i pkgsel/include string openssh-server cryptsetup build-essential libssl-dev libreadline-dev zlib1g-dev linux-source dkms nfs-common
+d-i pkgsel/install-language-support boolean false
+d-i pkgsel/update-policy select none
+d-i pkgsel/upgrade select full-upgrade
+d-i time/zone string UTC
+tasksel tasksel/first multiselect standard, ubuntu-server
+
+d-i console-setup/ask_detect boolean false
+d-i keyboard-configuration/layoutcode string us
+d-i keyboard-configuration/modelcode string pc105
+d-i debian-installer/locale string en_US
+
+# Create vagrant user account.
+d-i passwd/user-fullname string vagrant
+d-i passwd/username string vagrant
+d-i passwd/user-password password vagrant
+d-i passwd/user-password-again password vagrant
+d-i user-setup/allow-password-weak boolean true
+d-i user-setup/encrypt-home boolean false
+d-i passwd/user-default-groups vagrant sudo
+d-i passwd/user-uid string 900