another fix

Dockerfile.build

@@ -1,4 +1,5 @@
 FROM openjdk:8-jdk-alpine
 WORKDIR /build
 CMD [ "./build.sh" ]
+RUN apk add bash git
 COPY build.sh .

Jenkinsfile

@@ -10,7 +10,7 @@ pipeline {
 					filename 'Dockerfile.build'
 					dir '.'
 					additionalBuildArgs '-t petclinic-build'
-					args '-v $HOME/.m2:/root/.m2 --name petclinic-build'
+					args '-v $HOME/.m2:/root/.m2'
 				}
 			}
 			steps {
@@ -24,14 +24,13 @@ pipeline {
 			agent {
 				docker {
 					image 'docker:dind'
-					args '-v /var/run/docker.sock:/var/run/docker.sock'
+					args '-v /var/run/docker.sock:/var/run/docker.sock --user root'
 				}
 			}
 			steps {
-				sh """docker run -d --rm \
+				sh """docker run -d \
 					-v /var/run/docker.sock:/var/run/docker.sock \
-					--name petclinic-build
-					petclinic-build"""
+					--name petclinic-build petclinic-build"""
 				sh 'docker cp petclinic-build:/build/target/app.jar .'
 			}
 		}

build.sh

@@ -1,8 +1,8 @@
 #!/bin/bash
 
-if [[ -f spring-petclinic ]]; then
+if [[ -e spring-petclinic ]]; then
 	cd spring-petclinic
-	git chekcout jenkins
+	git checkout jenkins
 	git pull jenkins
 else
 	git clone https://github.com/hllvc/spring-petclinic.git