diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1 +1,19 @@
-# docker-postgresql-client
\ No newline at end of file
+# Postgresql Client
+
+This client is compatible with the official postgresql image, which means that it uses the environment variables provided by the image.
+
+## Usage
+
+### Start a postgres database
+
+```
+docker run -e POSTGRES_USER=user -e POSTGRES_PASSWORD=pwd -d --name=pg_container postgres:9.5
+```
+
+### Use psql or pg_dump command
+
+```
+docker run --rm --link pg_container:db kalumkalac/postgresql-client:9.5 psql -c 'create database foo'
+docker run --rm --link pg_container:db -v /tmp/foo:/dump kalumkalac/postgresql-client:9.5 pg_dump foo -f /dump/dump_foo.sql
+```
+