Programmer Think

Dapr (* * D * * distributed application runtime) is an open source, portable and event driven runtime. It enables developers to easily build elastic and micro service applications running on cloud platforms and edges, whether stateless or stateful. Dapr enables developers to focus on writing business logic rather than solving the challenges of ...

catalogue 1.Jenkins+Docker+SpringCloud deployment scheme optimization 2. Design the construction parameters of Jenkins cluster project 3. Multi server remote publishing of microservices 4.Nginx+Zuul cluster realizes high availability gateway 1.Jenkins+Docker+SpringCloud deployment scheme optimization Problems in the above deployment sc ...

Summary of order timeout implementation scheme Order timeout is a classic business scenario, which is very common in the mall system. Common implementation schemes are as follows Timed pollingPassive cancellationredis expiration callbackDelay message 1, Timed polling Implementation method: start a scheduled task, poll the database after a ...

Secret A Secret is an object that contains a small amount of sensitive information, such as a password, token, or key. Such information may be placed in the Pod protocol or in the image. Using Secret means you don't need to include confidential data in your application code. (this passage comes from the official website) The use process i ...

docker-compose Docker compose project is the official open source project of docker, which is responsible for the rapid arrangement of docker container clusters By writing a docker compose file, you can start / stop / update multiple services at the same time (you can define dependencies and start services in order) Docker compose divides th ...

This article tries to share the steps of SST writing in Nebula Exchange in a minimum way (stand-alone, containerized Spark, Hadoop and Nebula Graph). This article applies to v2 5 or above versions of Nebula Exchange. Original link: Foreign visits: https://siwei.io/nebula-exchange-sst-2.x/ Domestic visits: https://cn.siwei.io/nebula-exc ...

catalogue 1. Service introduction  2. Service type 3. Service usage 3.1 preparation of experimental environment 3.2 ClusterIP type Service 3.3 Service of headliner type 3.4 NodePort type Service 3.5 LoadBalancer type Service 3.6 Service of externalname type 4. Introduction to ingress 5. Use of ingress 5.1 environmental preparat ...

Install Virtual Box, Download from official website Install Vagrant, Download from official website There are multiple Linux system images in the Vagrant image warehouse. We can use Vagrant to connect to the Virtual Box and quickly install the Linux image. Mirror Box warehouse Use vagrant init centos/7 to initialize a cantos7 virtual machin ...

Kubernetes 1.21.0 has been officially released, and highly available clusters can also be upgraded directly (hub.docker.com has been stopped, and registry.cn-hangzhou.aliyuncs.com/google_containers is used). Fast upgrade (including domestic image quick download link) includes three main steps: upgrading kubedm / kubectl / kubelet version ...

Install rockrmq and rockrmq console in docker environment 1. Download the image of rocketmq docker pull apacherocketmq/rocketmq 2. Start NameServer docker run --name rmqnamesrv -p 9876:9876 \ -v /Users/liqi/docker-compose/rocketmq/data/namesrv/logs:/home/rocketmq/logs \ -d apacherocketmq/rocketmq sh mqnamesrv The above instructions a ...