feat: add Docker setup

README.md

@@ -6,6 +6,7 @@
 * [Create bootable USB Drive For OS Installation](doc/bootable-usb-drive.md)
 * [Debian Installation](doc/debian-install.md)
 * [Debian Configuration](doc/debian-config.md)
+* [Docker](doc/docker.md)
 * [Emacs](doc/emacs.md)
 * [Email Client](doc/email-client.md)
 * [Firewall](doc/firewall.md)

doc/docker.md

@@ -0,0 +1,56 @@
+# Setup Docker
+
+## General
+
+* update your APT cache using
+```
+sudo apt update
+```
+
+* uninstall old versions
+```
+sudo apt-get remove docker docker-engine docker.io containerd runc
+```
+
+* install basic package dependencies
+```
+sudo apt install apt-transport-https ca-certificates curl gnupg lsb-release --no-install-recommends
+```
+
+* add Docker's official GPG key
+```
+curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+```
+
+* set up the stable repository
+```
+echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+```
+
+* update the package index and install the latest version
+```
+sudo apt-get update
+sudo apt-get install docker-ce docker-ce-cli containerd.io
+```
+
+* check whether the service is enabled
+```
+systemctl is-enabled docker
+systemctl is-enabled containerd
+```
+
+* check Docker and Containerd service status
+```
+systemctl status docker containerd
+```
+
+* verify Docker version
+```
+docker -v
+```
+
+## Links
+
+[How to Install Docker on Debian 11](https://www.techlear.com/blog/2021/10/01/how-to-install-docker-on-debian-11/)
+
+[How to Install Docker on Debian 11](https://www.rosehosting.com/blog/how-to-install-docker-on-debian-11/)

doc/docker.md.license

@@ -0,0 +1,5 @@
+/*
+ * SPDX-FileCopyrightText: 2022 Software Ingenieur Begerad <swingbe.de>
+ *
+ * SPDX-License-Identifier: CC0-1.0
+ */

doc/ms-teams.md

@@ -1,5 +1,10 @@
 # Setup MS Teams
 
+* update your APT cache using
+```
+sudo apt update
+```
+
 * install curl using
 ```
 sudo apt install curl --no-install-recommends
@@ -15,11 +20,6 @@ curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
 sudo sh -c 'echo "deb [arch=amd64] https://packages.microsoft.com/repos/ms-teams stable main" > /etc/apt/sources.list.d/teams.list'
 ```
 
-* update your APT cache using
-```
-sudo apt update
-```
-
 * install MS Teams using
 ```
 sudo apt install teams --no-install-recommends