Start Learning DevOps Today 2025 | iCert Global

The term DevOps is derived from two words: Development and Operations. Let's consider the two groups of individuals who develop software before we discuss DevOps.

The development team creates and builds the app or software. The operations team tests and operates the app. If a problem is occurring, the operations team will report it to the development team so they can fix it.

Major Advantages of DevOps:

• Software is released and upgraded faster.

• Teams collaborate more efficiently.

• We can find problems early by always watching the systems.

• Security is enhanced by using special DevOps methods.

• Servers are dependable and can be scaled as needed.

Big companies like Netflix, Amazon, and Google use DevOps to deploy new code dozens of times a day. This means everything is humming along and they are getting better quickly.

Why do we require DevOps?

In the past, teams followed traditional methods such as the waterfall model to produce software. In this model, the work was done in one direction step by step. When there was an error, they had to start over from scratch. The company also did not involve customers in the process.

DevOps addresses this problem.

DevOps is a method by which the operations and development teams work hand-in-hand. They employ automation tools to accelerate the process. They are thus able to manage changes at speed, fix problems at speed, and ship quality software on time.

Waterfall Model – Sequential Process

Step 1: Gather Requirements

First, the team assembles and consolidates all the information regarding what the software should do. This is documented in a document referred to as the SRS (Software Requirements Specification).

Step 2: Plan and Design

Then, the group applies the SRS to plan out and think through how the software would look and function.

Step 3: Develop the Software

Then the team starts coding or building the actual software.

Step 4: Test the Software

When the software is complete, it is then tested to ensure it functions properly and has no major problems.

5: Deliver to Users

After testing, the completed software is delivered to the users such that they are able to utilize it.

 6: Keep the Software

Even after publishing the software, the group fixes problems and updates it from time to time.

What is a DevOps pipeline?

A DevOps pipeline is a means of automating the cycle of coding to deploying it in the real world (production). It ensures three important things:

• Continuous Integration (CI): Code is continuously added and tested.

• Continuous Delivery (CD): Fast and safe deployment of code to users.

• Continuous Feedback: Teams receive updates and mistakes quickly so they can make improvements fast.

DevOps Architecture – Planning Phase

The Plan stage is totally critical in DevOps. It is at this stage that the team talks about everything the project requires — including what features to develop, how long each stage will take, and how much it will cost.

DevOps Architecture – Code Stage

During the Code phase, the team starts coding based on what the customer (client) requires. The program is segmented into more manageable parts. This simplifies it to construct and comprehend.

For instance, if the team is developing an online shopping application (such as an eKart app):

• The login page is one unit

• The category page of the product is another unit

• The user profile page is another unit

How is DevOps different from traditional IT?

Let us see how it works in conventional IT (e.g., the waterfall model) and how it works in DevOps.

Traditional IT (Waterfall Method)

• In the old style, the developer codes everything themselves. After they have finished, they instruct the operations team to start testing it.
• The operations team extracts the code from a code storage system and checks it.
• If they find bugs (mistakes), they send it back to the developer to fix.
• Then it’s tested again.

• It takes a lot of time to correct this mistake, which is small.
• The main problem is that testing does not begin until everything is written. This means bugs are discovered late, and it makes the whole process slow down to fix them.

How DevOps Fixes This

• DevOps solves this by starting the tests early — during the development stage. Therefore, small errors are caught and fixed early.
• It saves time and allows teams to work more effectively to develop and deliver software quicker.
• Advantages of DevOps  and Disadvantages of DevOps

Advantages:

• Software is made faster and delivered quickly.

• DevOps can easily adjust when circumstances change.

• There is less confusion regarding the project, hence the product is improved and functions properly.

• The development team and operations team work together more and talk better.

• Automation makes work simpler and quicker, e.g., automated delivery and testing.

• Customers are satisfied as they get enhanced products on time.

Drawbacks:

• DevOps can be very expensive.

• Special expertise is required by someone to work with and operate DevOps.

• It might be challenging for legacy companies to start adopting DevOps.

How to obtain  DevOps certification? 

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Conclusion

DevOps enables teams to create and deploy software faster with improved collaboration and automation. It enhances quality and customer satisfaction but is costly and needs to involve skilled individuals. Implementing DevOps can be difficult for traditional companies, but it is well worth it in the long run.

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