diff --git a/etc/apt/keyrings/docker-archive-keyring.gpg b/etc/apt/keyrings/docker-archive-keyring.gpg
new file mode 100644
index 0000000..e5dc8cf
Binary files /dev/null and b/etc/apt/keyrings/docker-archive-keyring.gpg differ
diff --git a/etc/apt/keyrings/microsoft-archive-keyring.gpg b/etc/apt/keyrings/microsoft-archive-keyring.gpg
new file mode 100644
index 0000000..0cffae0
Binary files /dev/null and b/etc/apt/keyrings/microsoft-archive-keyring.gpg differ
diff --git a/etc/apt/keyrings/slack-archive-keyring.gpg b/etc/apt/keyrings/slack-archive-keyring.gpg
new file mode 100644
index 0000000..b6788cf
Binary files /dev/null and b/etc/apt/keyrings/slack-archive-keyring.gpg differ
diff --git a/etc/apt/keyrings/tailscale-archive-keyring.gpg b/etc/apt/keyrings/tailscale-archive-keyring.gpg
new file mode 100644
index 0000000..603538d
Binary files /dev/null and b/etc/apt/keyrings/tailscale-archive-keyring.gpg differ
diff --git a/etc/apt/sources.list.d/code.list b/etc/apt/sources.list.d/code.list
new file mode 100644
index 0000000..2f02a00
--- /dev/null
+++ b/etc/apt/sources.list.d/code.list
@@ -0,0 +1 @@
+deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft-archive-keyring.gpg] http://packages.microsoft.com/repos/code stable main
diff --git a/etc/apt/sources.list.d/docker-ce.list b/etc/apt/sources.list.d/docker-ce.list
new file mode 100644
index 0000000..2d056e4
--- /dev/null
+++ b/etc/apt/sources.list.d/docker-ce.list
@@ -0,0 +1 @@
+deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu jammy stable
diff --git a/etc/apt/sources.list.d/docker-compose-plugin.list b/etc/apt/sources.list.d/docker-compose-plugin.list
new file mode 100644
index 0000000..a004ed2
--- /dev/null
+++ b/etc/apt/sources.list.d/docker-compose-plugin.list
@@ -0,0 +1 @@
+# docker-ce.list
diff --git a/etc/apt/sources.list.d/microsoft-edge-stable.list b/etc/apt/sources.list.d/microsoft-edge-stable.list
new file mode 100644
index 0000000..166c2bb
--- /dev/null
+++ b/etc/apt/sources.list.d/microsoft-edge-stable.list
@@ -0,0 +1 @@
+deb [arch=amd64 signed-by=/usr/share/keyrings/microsoft-archive-keyring.gpg] https://packages.microsoft.com/repos/edge stable main
diff --git a/etc/apt/sources.list.d/slack-desktop.list b/etc/apt/sources.list.d/slack-desktop.list
new file mode 100644
index 0000000..8563798
--- /dev/null
+++ b/etc/apt/sources.list.d/slack-desktop.list
@@ -0,0 +1 @@
+deb [signed-by=/usr/share/keyrings/slack-archive-keyring.gpg] https://packagecloud.io/slacktechnologies/slack/debian/ jessie main
diff --git a/etc/apt/sources.list.d/tailscale.list b/etc/apt/sources.list.d/tailscale.list
new file mode 100644
index 0000000..95dcf82
--- /dev/null
+++ b/etc/apt/sources.list.d/tailscale.list
@@ -0,0 +1 @@
+deb [signed-by=/usr/share/keyrings/tailscale-archive-keyring.gpg] https://pkgs.tailscale.com/stable/ubuntu jammy main
diff --git a/install b/install
index e0efebd..cf71eea 100755
--- a/install
+++ b/install
@@ -2,7 +2,7 @@
 set -euo pipefail
 cd -- "$(dirname -- "$0")"
 
-function main() {
+function install_dotfiles() {
   local home
   local dotfile
   home=$(eval echo ~"${SUDO_USER:-$(id -un)}")
@@ -17,4 +17,23 @@ function main() {
   done
 }
 
-main
+function install_apt_packages() {
+  local packages
+  local package
+  packages=()
+  for package in etc/apt/sources.list.d/*.list; do
+    package=${package##*/}
+    package=${package%.list}
+    packages+=("$package")
+  done
+
+  rsync -rv etc/apt/keyrings/ /usr/share/keyrings/
+  rsync -rv etc/apt/sources.list.d/ /etc/apt/sources.list.d/
+  apt update
+  apt install -y "${packages[@]}"
+}
+
+install_dotfiles
+(($(id -u) == 0)) \
+  && [[ -d /etc/apt/sources.list.d ]] \
+  && install_apt_packages