diff --git a/Jenkinsfile.service b/Jenkinsfile.service
index bc3edba32..19dac6adc 100644
--- a/Jenkinsfile.service
+++ b/Jenkinsfile.service
@@ -139,16 +139,21 @@ pipeline {
                             String contextDir = ".docker-context/${env.RESOLVED_SERVICE}"
                             String jar = serviceJars[env.RESOLVED_SERVICE]
                             String registryHost = env.RESOLVED_IMAGE_REPOSITORY.tokenize('/')[0]
+                            String dockerConfigDir = "${pwd(tmp: true)}/docker-auth"
                             sh "mkdir -p '${contextDir}' && cp -f '${jar}' '${contextDir}/app.jar'"
-                            sh "docker build -f deploy/docker/Dockerfile --build-arg BASE_IMAGE=${params.DOCKER_BASE_IMAGE} --build-arg JAR_FILE=app.jar -t ${image} '${contextDir}'"
 
                             echo "推送共享镜像: ${image}"
-                            withCredentials([usernamePassword(credentialsId: env.REGISTRY_CREDENTIALS, usernameVariable: 'REGISTRY_USER', passwordVariable: 'REGISTRY_PASSWORD')]) {
-                                try {
-                                    sh 'printf %s "$REGISTRY_PASSWORD" | docker login -u "$REGISTRY_USER" --password-stdin "' + registryHost + '"'
-                                    sh "docker push ${image}"
-                                } finally {
-                                    sh "docker logout ${registryHost} || true"
+                            withEnv(["DOCKER_CONFIG=${dockerConfigDir}"]) {
+                                sh 'mkdir -p "$DOCKER_CONFIG"'
+                                withCredentials([usernamePassword(credentialsId: env.REGISTRY_CREDENTIALS, usernameVariable: 'REGISTRY_USER', passwordVariable: 'REGISTRY_PASSWORD')]) {
+                                    try {
+                                        sh 'printf %s "$REGISTRY_PASSWORD" | docker login -u "$REGISTRY_USER" --password-stdin "' + registryHost + '"'
+                                        sh "docker build -f deploy/docker/Dockerfile --build-arg BASE_IMAGE=${params.DOCKER_BASE_IMAGE} --build-arg JAR_FILE=app.jar -t ${image} '${contextDir}'"
+                                        sh "docker push ${image}"
+                                    } finally {
+                                        sh "docker logout ${registryHost} || true"
+                                        sh 'rm -rf "$DOCKER_CONFIG"'
+                                    }
                                 }
                             }
                             if (params.DEPLOY) {
diff --git a/scripts/test-environment-pipeline-contract.test.mjs b/scripts/test-environment-pipeline-contract.test.mjs
index 3ccf85117..0b2f25c21 100644
--- a/scripts/test-environment-pipeline-contract.test.mjs
+++ b/scripts/test-environment-pipeline-contract.test.mjs
@@ -64,6 +64,26 @@ test('development and test deployment locks are acquired before target executors
   assert.ok(lockIndex < nodeIndex, 'deployment lock must be acquired before target node allocation')
 })
 
+test('parallel image publications isolate registry credentials per Jenkins job', () => {
+  const imageStage = pipeline.slice(
+    pipeline.indexOf("stage('构建并发布单服务镜像')"),
+    pipeline.indexOf("stage('部署开发或测试环境')")
+  )
+  const loginIndex = imageStage.indexOf('docker login')
+  const buildIndex = imageStage.indexOf('docker build')
+  const pushIndex = imageStage.indexOf('docker push')
+  const logoutIndex = imageStage.indexOf('docker logout')
+  const cleanupIndex = imageStage.indexOf('rm -rf "$DOCKER_CONFIG"')
+
+  assert.match(imageStage, /String dockerConfigDir = "\$\{pwd\(tmp: true\)\}\/docker-auth"/)
+  assert.match(imageStage, /withEnv\(\["DOCKER_CONFIG=\$\{dockerConfigDir\}"\]\)/)
+  assert.ok(loginIndex >= 0 && loginIndex < buildIndex, 'registry login must happen before image build')
+  assert.ok(buildIndex < pushIndex, 'image build must happen before image push')
+  assert.ok(pushIndex < logoutIndex, 'registry logout must happen after image push')
+  assert.ok(logoutIndex < cleanupIndex, 'temporary Docker credentials must be removed last')
+  assert.doesNotMatch(imageStage, /\/home\/deploy\/\.docker\/config\.json/)
+})
+
 test('parallel remote deployments keep env and compose assets isolated by project', () => {
   assert.match(directDeployScript, /REMOTE_ENV_NAME="\.env\.\$PROJECT_NAME"/)
   assert.match(directDeployScript, /REMOTE_COMPOSE_NAME="docker-compose\.\$PROJECT_NAME\.yml"/)