docker code snippet go-grpc git gRPC Health Checking spring 多线程 spring-mvc json ssh Runnable python node JVM php-gRPC Java Volatile time Jakarta composer angular 小程序 Executors Java Synchronized protobuf Java Runnable gRPC brew ConcurrentHashMap Dockerfile ThreadPoolExecutor git push Java ThreadLocal Java Thread symfony SpringBoot Java Virtual Thread protoc protoc-gen-go proto3 volatile jq clion maven php8.1 git add ThreadLocal php8 php-fileinfo php8.4 embed