In recent times, microservices have surged in popularity as a preferred method for implementing digital technology. By 2018, nearly two-thirds, or 63%, of businesses had adopted the microservices structure. Consequently, many business leaders acknowledge the significant role microservices play in their digital evolution journey.
Microservices are a contemporary method to craft software. Here, each main feature, or service, mirrors a specific business area and is constructed and launched separately. This method offers swiftness in creating and updating software, standing apart from the older, singular system of software design known as the monolithic approach. Today, modernizing software often means adopting Microservices.
Diving deeper into Microservices, one can observe their distinction from traditional monolithic systems. This includes understanding why one might choose the microservices model, how different parts communicate, the 12-step deployment process, how it operates in Kubernetes, managing data, the service mesh structure, and top recommendations for shaping microservices effectively.
Microservices might sound like a complex term, but they can be understood like any challenging math problem – with clear definitions. In simple words, Microservices.io describes them as a way to design an application by dividing it into individual services.
What then distinguishes something as a microservice? The following traits define it:
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Services that operate without being deeply linked.
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The ability to launch each service independently.
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Ease of testing and improvement.
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Focus on specific business functions.
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Oversight by a small specialized team.
However, merely segmenting an application into various parts doesn’t qualify it as a microservice. Even if two setups look alike, lacking the above characteristics means it’s not a microservice.
One challenge in understanding microservices is that they aren’t a product you can physically purchase. Instead, they’re more like a philosophy, similar to tech approaches such as AGILE or REST. For those seeking a hands-on example, there are GitHub repositories that display real-world microservices applications.
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