Add docker tag description to readme

piterpy-meetup · Mar 9, 2019 · 7f83e15 · 7f83e15
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diff --git a/README.md b/README.md
@@ -9,6 +9,10 @@ Service for posting to various social medias from one place
 ### Docker-based setup
 Prerequisites: docker-compose, `.env` file in the project root
 
+Specify Docker tag (see [list of tags](https://hub.docker.com/r/piterpy/postpost/tags) on DockerHub):
+
+`export TAG=dev`
+
 Start containers:
 
 `docker-compose up -d`