Doc: Add docker build instructions without git clone

Add instructions for building Docker image directly from GitHub.

diff --git a/readme_template.md b/readme_template.md
index 4c66936f6890935c1ee5135a4408c7c439b3f988..e9f3dfc476466da859c38f4c3712e99e7836ff62 100644 (file)
--- a/readme_template.md
+++ b/readme_template.md
@@ -131,6 +131,12 @@ Build the Docker container from the root of this repo like this:
 docker build --no-cache . -t stevenblack-hosts
 ```
 
+Or without cloning (directly from GitHub):
+
+```sh
+docker build --no-cache https://github.com/StevenBlack/hosts.git -t stevenblack-hosts
+```
+
 Then run your command as such:
 
 ```sh