diff --git a/docker/setup.md b/docker/setup.md
index 1c598d8..5605ce9 100644
--- a/docker/setup.md
+++ b/docker/setup.md
@@ -1 +1,34 @@
 # Docker Setup
+
+Installation instructions for Ubuntu Linux: https://docs.docker.com/engine/install/ubuntu/
+
+
+## Uninstall old versions
+```sh
+sudo apt-get remove docker docker-engine docker.io containerd runc
+```
+
+## Install Docker
+```sh
+
+sudo apt-get update
+sudo apt-get install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+sudo apt-get update
+sudo apt-get install docker-ce docker-ce-cli containerd.io
+```
+
+
+
+## Install `docker-compose`
+From: https://www.digitalocean.com/community/tutorials/how-to-install-and-use-docker-compose-on-ubuntu-20-04
+
+```sh
+### ERROR: Version in "./docker-compose.yml" is unsupported.
+```sh
+sudo apt-get remove docker-compose
+sudo curl -L "https://github.com/docker/compose/releases/download/1.27.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
+sudo chmod +x /usr/local/bin/docker-compose
+sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
+```
diff --git a/docker/troubleshooting.md b/docker/troubleshooting.md
index a15cc6b..9932c66 100644
--- a/docker/troubleshooting.md
+++ b/docker/troubleshooting.md
@@ -4,7 +4,7 @@
 ### ERROR: Version in "./docker-compose.yml" is unsupported.
 ```sh
 sudo apt-get remove docker-compose
-sudo curl -L "https://github.com/docker/compose/releases/download/1.23.2/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
+sudo curl -L "https://github.com/docker/compose/releases/download/1.27.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
 sudo chmod +x /usr/local/bin/docker-compose
 sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
 ```