Building a spring boot fat jar with gradle and red hat fuse

build.gradle

plugins {
	id 'org.springframework.boot' version '2.1.4.RELEASE'
	id 'groovy'
}

apply plugin: 'java'
apply plugin: 'groovy'
apply plugin: 'io.spring.dependency-management'
apply plugin: 'org.springframework.boot'

group = 'com.codergists'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '1.8'

repositories {
	mavenCentral()
	maven{
		url "https://maven.repository.redhat.com/ga"
	}
}

//taken from: https://maven.repository.redhat.com/ga/org/jboss/redhat-fuse/fuse-springboot-bom/
dependencyManagement {
    imports {
       mavenBom 'org.jboss.redhat-fuse:fuse-springboot-bom:7.2.0.fuse-720020-redhat-00001'
    }
}

dependencies {
	implementation 'org.springframework.boot:spring-boot-starter'
	implementation 'org.springframework.boot:spring-boot-starter-web'
	implementation 'org.springframework.boot:spring-boot-starter-actuator'
	implementation 'org.codehaus.groovy:groovy'
	implementation 'javax.servlet:javax.servlet-api'
	implementation 'org.apache.camel:camel-core'
	implementation 'org.apache.camel:camel-servlet'
	implementation 'org.apache.camel:camel-jackson'
	implementation 'org.apache.camel:camel-spring-boot-starter'
	testImplementation 'org.springframework.boot:spring-boot-starter-test'
}

curl-camel.txt

[user@localhost somescripts]$ curl localhost:8080/camel/hello
{"hello":"world"}

fat-jar-ls.txt

[user@localhost somescripts]$ ls -lah ./build/libs/somescripts-0.0.1-SNAPSHOT.jar 
-rw-rw-r--. 1 user user 26M May  7 13:56 ./build/libs/somescripts-0.0.1-SNAPSHOT.jar

gradle-bootjar.txt

[user@localhost somescripts]$ ./gradlew bootjar

BUILD SUCCESSFUL in 2s
3 actionable tasks: 3 executed

gradle-bootrun.txt

[user@localhost somescripts]$ ./gradlew bootRun

> Task :bootRun

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::       (v1.5.16.RELEASE)
...
2019-05-07 13:44:01.968  INFO 7497 --- [           main] o.a.camel.spring.SpringCamelContext      : Apache Camel 2.21.0.fuse-720050-redhat-00001 (CamelContext: camel-1) started in 0.300 seconds
2019-05-07 13:44:01.985  INFO 7497 --- [           main] s.b.c.e.t.TomcatEmbeddedServletContainer : Tomcat started on port(s): 8080 (http)
2019-05-07 13:44:01.989  INFO 7497 --- [           main] c.c.somescripts.SomescriptsApplication   : Started SomescriptsApplication in 4.702 seconds (JVM running for 5.19)
2019-05-07 13:44:02.981  INFO 7497 --- [- timer://hello] route3                                   : hello world timer fired 1
2019-05-07 13:44:07.968  INFO 7497 --- [- timer://hello] route3                                   : hello world timer fired 2
2019-05-07 13:44:12.968  INFO 7497 --- [- timer://hello] route3                                   : hello world timer fired 3
<==========---> 80% EXECUTING [22s]
> :bootRun

gradle-deps.txt

[user@localhost somescripts]$ ./gradlew dependencies

> Task :dependencies

------------------------------------------------------------
Root project
------------------------------------------------------------

<<< REDACTED >>>

compileClasspath - Compile classpath for source set 'main'.
+--- org.springframework.boot:spring-boot-starter -> 1.5.16.RELEASE
|    +--- org.springframework.boot:spring-boot:1.5.16.RELEASE
<<< REDACTED >>>
+--- org.apache.camel:camel-core -> 2.21.0.fuse-720050-redhat-00001
|    +--- org.slf4j:slf4j-api:1.7.22.redhat-2
|    +--- com.sun.xml.bind:jaxb-core:2.2.11.redhat-4
|    \--- com.sun.xml.bind:jaxb-impl:2.2.11.redhat-4
+--- org.apache.camel:camel-servlet -> 2.21.0.fuse-720050-redhat-00001
|    +--- org.apache.camel:camel-core:2.21.0.fuse-720050-redhat-00001 (*)
|    \--- org.apache.camel:camel-http-common:2.21.0.fuse-720050-redhat-00001
|         \--- org.apache.camel:camel-core:2.21.0.fuse-720050-redhat-00001 (*)
+--- org.apache.camel:camel-jackson -> 2.21.0.fuse-720050-redhat-00001
|    +--- org.apache.camel:camel-core:2.21.0.fuse-720050-redhat-00001 (*)
|    +--- com.fasterxml.jackson.core:jackson-databind:2.8.11.1 -> 2.8.11.2 (*)
|    \--- com.fasterxml.jackson.module:jackson-module-jaxb-annotations:2.8.11
|         +--- com.fasterxml.jackson.core:jackson-core:2.8.11
|         +--- com.fasterxml.jackson.core:jackson-annotations:2.8.0
|         \--- com.fasterxml.jackson.core:jackson-databind:2.8.11 -> 2.8.11.2 (*)
\--- org.apache.camel:camel-spring-boot-starter -> 2.21.0.fuse-720050-redhat-00001
     +--- org.springframework.boot:spring-boot-starter:1.5.10.RELEASE -> 1.5.16.RELEASE (*)
     +--- org.apache.camel:camel-spring-boot:2.21.0.fuse-720050-redhat-00001
     |    \--- org.apache.camel:camel-spring:2.21.0.fuse-720050-redhat-00001
     |         +--- org.apache.camel:camel-core:2.21.0.fuse-720050-redhat-00001 (*)
     |         +--- org.springframework:spring-core:4.3.17.RELEASE -> 4.3.19.RELEASE
     |         +--- org.springframework:spring-aop:4.3.17.RELEASE -> 4.3.19.RELEASE (*)
<<< REDACTED >>>

gradle-postbuild-tree.txt

[user@localhost somescripts]$ tree
.
├── build
│   ├── classes
│   │   └── groovy
│   │       └── main
│   │           └── com
│   │               └── codergists
│   │                   └── somescripts
│   │                       ├── SomescriptsApplication$1.class
│   │                       └── SomescriptsApplication.class
│   ├── generated
│   │   └── sources
│   │       └── annotationProcessor
│   │           └── groovy
│   │               └── main
│   ├── libs
│   │   └── somescripts-0.0.1-SNAPSHOT.jar
│   ├── resources
│   │   └── main
│   │       └── application.properties
│   └── tmp
│       ├── bootJar
│       │   └── MANIFEST.MF
│       └── compileGroovy
│           └── groovy-java-stubs

run-fat-jar.txt

[user@localhost somescripts]$ java -jar ./build/libs/somescripts-0.0.1-SNAPSHOT.jar 

  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::       (v1.5.16.RELEASE)

2019-05-07 14:07:55.860  INFO 8842 --- [           main] c.c.somescripts.SomescriptsApplication   : Starting SomescriptsApplication
<< REDACTED >>

SomescriptsApplication.groovy

package com.codergists.somescripts

import org.springframework.boot.SpringApplication
import org.apache.camel.builder.RouteBuilder
import org.springframework.boot.autoconfigure.SpringBootApplication
import org.apache.camel.component.servlet.CamelHttpTransportServlet
import org.springframework.boot.web.servlet.ServletRegistrationBean
import org.springframework.context.annotation.Bean
import org.apache.camel.model.rest.RestBindingMode
import org.apache.camel.LoggingLevel
import org.apache.camel.Exchange
import org.apache.camel.Processor

@SpringBootApplication
class SomescriptsApplication extends RouteBuilder { 

	static void main(String[] args) {
		SpringApplication.run(SomescriptsApplication, args)
	}

	@Bean
	public ServletRegistrationBean camelServletRegistrationBean() {
		ServletRegistrationBean registration = new ServletRegistrationBean(new CamelHttpTransportServlet(), "/camel/*");
		registration.setName("CamelServlet");
		return registration;
	}

	@Override
    	public void configure() throws Exception {

		restConfiguration()
		.component("servlet")
		.bindingMode(RestBindingMode.json);

		rest().get("/hello")
		.to("direct:hello");
 

		from("direct:hello")
		.log(LoggingLevel.INFO, "Hello World HTTP ENDPOINT")
		.process(new Processor() {
                	@Override
                	void process(Exchange exchange) throws Exception {
					def jsonMap = [hello:"world"]
                    		exchange.in.body = jsonMap
			}
		})

        from("timer:hello?period=5000").log('hello world timer fired ${exchangeProperty[CamelTimerCounter]}')
    }

}

spring-init-tree-1.txt

[user@localhost somescripts]$ tree .
.
├── build.gradle
├── gradle
│   └── wrapper
│       ├── gradle-wrapper.jar
│       └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── HELP.md
├── settings.gradle
└── src
    ├── main
    │   ├── groovy
    │   │   └── com
    │   │       └── codergists
    │   │           └── somescripts
    │   │               └── SomescriptsApplication.groovy
    │   └── resources
    │       └── application.properties
    └── test
        └── groovy
            └── com
                └── codergists
                    └── somescripts
                        └── SomescriptsApplicationTests.groovy

14 directories, 10 files