Distributed Tracing with Jaeger in Go

Distributed tracing is used by software engineers to monitor or debug their applications. It is very useful to find which process takes the most time or which function causes errors. One of the systems to do distributed tracing is Jaeger. This article will show you how to run Jaeger in the local environment and trace a Go application. What is distributed tracing According to opentracing.io, distributed tracing is a method to profile and monitor applications, especially applications built using a microservice architecture. [Read More]

Golang Function Timeout With Context

Timeouts can be important for an application. It can limit how long is the maximum duration of a process. We can save resources by cancel further processes when timeout happened. We can use context to apply a timeout to a function call in Go.

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Run PostgreSQL Database With Docker

Running PostgreSQL is very useful for testing purposes. You can run it everywhere. You can create any testing data, use it then destroy it after testing is done. Integration testing and automation testing are made easy by it.

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Zero Downtime Reload With Socketmaster

Nowadays, zero downtime reload is mandatory for most systems. Especially for the system that is accessed all the time. Stakeholders demand the high availability of the system. So it is bad if the system needs downtime for reloads even if it’s in milliseconds. Socketmaster is there to help your system reload with zero downtime.

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Handle Panic in HTTP Server by Using Middleware in Go

If you have code in Go, most likely you have ever encountered a panic. Panic can stop your application if it is not recovered. Fortunately, in the Go HTTP server, there is already a panic recovery, so the server will continue to run if panic is encountered. But the client will not get any response from the server if a panic happens. It is good that you have your own panic recovery that responds with an error message.

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Wait for Goroutine to Finish With WaitGroup

Goroutine is very useful to execute a process asynchronously. You can use multiple goroutines to run multiple processes at the same time. But what if you want to wait for the goroutines to finish before continue to the next process? You can use WaitGroup to wait for goroutines to finish.

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go 

NGINX Custom Error Response

If you use NGINX as a proxy, you may want to use a custom error response, because the default error response from NGINX is not pretty. Read this post to know how to use custom error responses in NGINX.

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Enable WordPress HTTPS With AWS CloudFront

Why do you need to enable HTTPS for your WordPress site?

HTTPS secures your data transmitted in the network by encrypting it so that the intruder can’t see and tamper the data. It is important to protect your web with HTTPS, whether your web is big e-commerce or just a simple blog. This article will show you how to enable HTTPS for your WordPress site using Amazon CloudFront.

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