fix: restore command now seperated

terraform/install.sh

@@ -6,7 +6,6 @@ amazon-linux-extras install docker ansible2 python3.8 -y
 # Make Docker work.
 systemctl enable docker
 systemctl start docker
-sudo usermod -aG docker ssm-user
 
 # Set up the correct version of Python (for Ansible).
 ln -sf /usr/bin/python3.8 /usr/bin/python3
@@ -26,3 +25,6 @@ service sshd stop
 # Install Docker Compose.
 curl -L "https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
 chmod +x /usr/local/bin/docker-compose
+
+# ERROR: SSM User not created yet.
+sudo usermod -aG docker ssm-user