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Checklist for Microservices and Container Driven Development

Microservices-Architecture

Most Organisations looking to increase the efficiency of their software development and aiming to move towards a faster and a more effective way of deploying solutions have taken to Microservices. The n-tier database driven application that is represented by monolithic architectures has its own challenges including scalability and responsiveness.

With the advantages that Microservices bring to the table in terms of distributed computing and Rest API; organisations which no more want to deal with the challenges of Monolithic architectures, are shifting towards microservices. To successfully implement microservices, various factors play an important role and need to be kept in consideration.

Although Microservices are extremely helpful for organisations, setting them up becomes a challenge. Containers play an important role in architecting microservices.

Here is a checklist of the various things to remember:

  • New Tools and Processes: It is important to pay attention to an organisation’s culture and how well it fits with Microservices. The skills of the employees and the culture of the organisation determine how well an organizations technology team will adapt it. Microservices bring about changes in the organization structure, authority, and responsibilities. Before implementing Microservices the firm needs to make sure there are enough tolerance and risk taking ability within the organisation. To facilitate a successful transition to microservices, it is essential to for the organisation to have familiarity with APIs, modern DevOps practices and have specific skills around the frequently used open source tools.
  • Orchestrating: Microservices can sometimes be difficult to manage and contain due to its distributed architecture. However, with the advancement in tools like Docker and Kubernates, testing and frameworks it is becoming easier. For the seamless functioning of microservices in an organisation, continuous delivery and integration is a necessity.

    Container-Driven-Development
     

    The microservices team of any organisation needs to be ready to have an experimental and risk taking an attitude towards new open source tools. Orchestrating is essential. To manage the containerised microservices, orchestrating them becomes mandatory after a point of time. Depending on the requirement of an organization developers can decide what tools they can use which can be opensource, proprietary or from a from public cloud providers. Public cloud platforms are available for organisations which require infrastructural support to build frameworks from scratch.

  • Identifying services: It is essential for a firm to optimize there infrastructure and to have the team prepared for the transformation. Responsibilities of the developers on the basis of their skills must be both enhanced and decentralised. Some process and tools of microservices need to be standardised for services to be delivered faster and more effectively. Shifting towards Microservices requires an enhancement of skills and understanding of the architecture to develop microservices effectively. Some organisations that adapt and take on microservices at an early stage, more often than not have separate teams to develop infrastructures and manage the tools.


    "It’s tempting to start chopping up a monolith as the first project out of the gate, but a small greenfield project will provide the latitude to design the microservice without legacy restrictions," says Kevin McGrath, senior CTO architect at Sungard Availability Services.

    It can however sometimes be difficult to restructure the entire organisation culture and working to suit the microservices approach. Organisations which have implemented Microservices from the beginning, do not have to invest energy and money in the building the entire architecture from scratch and can continue to transform the firm towards growth.

    Containers act as facilitators in the process of implementing Microservices, however, it is not mandatory to use containers to implement using microservices in any organisation. Applications used by organisations is not as simple as we’d like them to be, they are complex and most applications are made of multiple services. Containerising Microservices not only makes it faster but also pushes it to achieves performance levels which can directly be compared to Virtual Machines.

  • Security of the container: Each container should essentially only be used to deploy one service. Keeping the container and microservices lightweight and lean is important, to allow them to have a longer life. Containers carry valuable information and hence are more susceptible to security threats. Image scanning and management tools can be used to patch container images and to maintain the security of containers.


    Containers act as a support system for faster and easier implementation of Microservices. Together there will be less scope for error and the productivity of the services is drastically enhanced.

    To Conclude
    Microservices and containers can remove barriers to scalable cloud use. Microservices have the scalability, reusability and latency features provided by the cloud. Containers, on the other hand, can solve quite a few of the resource optimization challenges. Deploying microservices in the cloud has matured, but the conjoining microservices and containers are going to be the way forward.

About The Author

Gopiraju M

Gopiraju M (Masters in CSE) is a full-stack developer at Navtech. He has experience of building over 100+ apps allows him to rapidly architect and design solutions. His ability to explain complex technologies in simple. He has a lot of passion for writing clean code and having a clean deployment/release process. Also, his practical ways have resulted in him becoming a popular speaker at colleges, universities, and conferences.