docs: Add more details in README.md file🫸🌀✏️📗🐧🐳

Author: hendisantika

README.md

@@ -1 +1,22 @@
-# spring-boot-docker-without-docker
+# 3 Ways to Build Docker Images for Spring Boot Applications
+
+I have three mechanisms in the same pom file which are put under different maven profiles.
+
+- Building Image with Spring Boot Build Plugin:
+
+    ```shell
+    mvn clean verify spring-boot:build-image
+    ```
+
+- Building Image with Fabri8:
+
+    ```shell
+    mvn clean verify -DskipTests -Pbuild-with-fabric-8
+    ```
+
+
+- Building Image with JIB:
+
+    ```shell
+    mvn clean verify -DskipTests -Pbuild-with-jib
+    ```