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In view of the superior agility, scalability, scalability and savings, it is not surprising that
more and more businesses are inclined to use software as a service (SaaS) models compared
to other public cloud market segments. Gartner’s estimation, end user spending on SaaS
solutions worldwide will cross USD 145 billion by the end of 2022.
In sync with adoption of software-as-a-service businesses also need to ensure their backup
strategy for their applications is in sync. Although SaaS applications provide higher uptime,
organizations also need to focus on availability. Another problem area is data deletion—be it
by accident or malicious attacks. This is where automation can play a key role—in operations
as well as in security.

DevOps’ Role in SaaS
Since one of the primary reasons for adopting SaaS products is productivity, it follows that
organizations managing SaaS products enable it. This can be done through speedier and
streamlined processes using CI/CD and automated pipelines in the software development
lifecycle methodology. Continuous innovation is necessary to keep SaaS products updated; in
other words, updates must be created and deployed quickly and regularly.
Ensuring an efficient timeline for resolution will help these organizations maintain high
credibility in addressing customer issues in a timely fashion. DevOps can make this happen,
for many reasons, including:

 Superior innovation
 Scalability
 Better uptimes
 Higher agility
 Configuration management
 Regular updates

Use Case
When a certain reputed software platform provider wanted to deploy a SaaS product with
customizations that could improve cost to deliver, adaptability and scalability, they realized
that their deployment module, which was running in multiple instances and clusters, was too
complex for the task. The platform provider approached Teleglobal for a solution. Using
DevOps-based infrastructure automation, our team helped the customer achieve total
deployment automation. We also created a unified dashboard that could seamlessly monitor
logs and events across different environments.
As a result the customer achieved several benefits, such as:
1. Faster Time-to-Market: Client onboarding time was reduced to just one week,
from the earlier time period of 4-5 weeks.
2. Better Availability: Deployment on DevOps backed by continuous monitoring
raised the platform’s availability significantly.
3. Improved Agility: Using real-time monitoring and log analytics, the customer
was able to perform root cause identification faster in the event of issues.

DevOps Best Practices for SaaS Models 

Infrastructure as Code (IaC) 
Development of SaaS applications is fastest through CI/CD, which in turn, requires
infrastructure as code (IaC) to be included in the pipeline, and organizations must consider it
a priority to include an organized IaC with modules unit tested as a software library, with
automated IaC deployments in the pipeline.

CI/CD 
Continuous integration enables several benefits, including the ability to:
·   Quickly identify challenges and eliminate them
 Improve software quality

 Reduce timelines for testing and deployment of newer software updates
Continuous Delivery ensures that changes to code are automatically fixed, tested, and readied
for deployment.

Security & Compliance 
A CI/CD pipeline helps automate the review process for compliance and security—although
these are different entities—allowing the organization to take informed actions about which
environment will play host to specific code/data. Automating this process allows easy
compliance during development, and it improves the development team’s productivity by
minimizing time spent on security or compliance issues.

Logging and Monitoring 
Continuous monitoring allows the organization to respond quickly to system
conditions—such as CPU load, free server space, etc.—in near-real time..

Microservices 
Microservices and SaaS go together like peanut butter and jelly. The combination provides
organizations with hosting facility, fast recovery, robust solutions, and flexibility to use
different programming languages or frameworks, as needed.

Takeaway
DevOps for SaaS provides a mix of tools and practices that can increase speed of application
delivery significantly compared to conventional software development.
It is, thus, highly recommended that organizations managing SaaS offerings use DevOps to
plug the gap between operations and development. This will allow organizations using SaaS
solutions to gain and maintain a competitive edge, as deploying DevOps enables zero
downtime and continuous delivery.

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