Update README (#70)

Author: Crim

README.md

@@ -151,13 +151,19 @@ implementations.
 # Releasing
 Steps for performing a release:
 
-- Update release version: mvn versions:set -DnewVersion=X.Y.Z
-- Validate and then commit version: mvn versions:commit
-- Update CHANGELOG and README files.
-- Merge to master.
-- Deploy to Maven Central: mvn clean deploy -P release-kafka-webview
-- Create release on Github project.
-- Build new Docker images (TODO define steps)
+1. Update release version: mvn versions:set -DnewVersion=X.Y.Z
+2. Validate and then commit version: mvn versions:commit
+3. Update CHANGELOG and README files.
+4. Merge to master.
+5. Deploy to Maven Central: mvn clean deploy -P release-kafka-webview
+6. Create release on Github project.
+7 Build and upload new Docker images:
+    - `docker build -t kafka-webview .`
+    - `docker tag kafka-webview sourcelaborg/kafka-webview:latest`
+    - `docker push sourcelaborg/kafka-webview:latest`
+    - `docker tag kafka-webview sourcelaborg/kafka-webview:1.0.VERSIONHERE`
+    - `docker push sourcelaborg/kafka-webview:1.0.VERSIONHERE`
+
 
 # Changelog