From 165a35968692f7cfdc331cdbc50573a3098bdf08 Mon Sep 17 00:00:00 2001
From: Olivier DEBAUCHE <olivier.debauche@umons.ac.be>
Date: Thu, 17 Jun 2021 12:15:57 +0200
Subject: [PATCH] Update README.md

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index d400d3e..124f9eb 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,10 @@
 
 This container allows you to easily set up an OpenStreetMap PNG tile server given a `.osm.pbf` file. It is based on the [latest Ubuntu 20.04 LTS guide](https://switch2osm.org/serving-tiles/manually-building-a-tile-server-20-04-lts/) from [switch2osm.org](https://switch2osm.org/) and therefore uses the default OpenStreetMap style.
 
+## Install docker on Ubuntu or Debian
+
+    sudo apt install docker.io 
+
 ## Setting up the server
 
 First create a Docker volume to hold the PostgreSQL database that will contain the OpenStreetMap data: