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Accelerating development velocity through IaC and CI/CD

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In today’s fast-paced tech landscape, the ability to swiftly deliver high-quality software has become the defining factor for success and competitive advantage.
The current success metric for tech companies is clear. If you want to stay ahead of your competitors, you need to be able to rapidly deliver high-quality software. That said, most businesses have a hard time making their deployments more reliable and accelerating time to market.
Enter infrastructure as code (IaC) and continuous integration/continuous deployment (CI/CD). These two powerful practices are revolutionizing the software development lifecycle by addressing core challenges of modern software delivery, including cumbersome and error-prone manual processes. While they make a significant impact on their own, combining these processes does more to enable organizations to ramp up their development velocity and respond to the growing demand for speed.

Infrastructure as code: Redefining infrastructure management

Infrastructure as code signifies a paradigm shift in how organizations provision and manage their IT infrastructure. Instead of relying on manual processes and settings to configure databases, servers, and more, IaC lets developers define and manage infrastructure with code. In other words, it brings software development practices to infrastructure management, resulting in more consistent, reproducible, and scalable environments.

Role of IaC in modern software development

Manual infrastructure management is time-consuming and error-prone—especially when you’re managing multiple applications at scale. Automating the provisioning and management of IT infrastructure lets teams establish their development infrastructure in a format familiar to them: code.
IaC also introduces versioning, another modern software development feature. Just like with application code, teams can track changes, roll back when necessary, and maintain a single source of truth for their infrastructure configurations.
For instance, a development team working on a microservices-based application can use IaC to define the entire infrastructure stack—from networking and load balancers to container orchestration and database clusters. This setup can be version-controlled and easily replicated across various environments in the development, testing, and production stages.

Benefits of infrastructure as code

IaC offers many benefits to teams that want to increase their development velocity: 
  • Environment duplication: As long as the infrastructure resources are available, the same environment can be deployed on a different system using the same IaC. This can be particularly useful for businesses that create new branches, environments, or regions and want to immediately deploy the exact same set of infrastructure to get them up and running.
  • Version control and traceability: Infrastructure changes can be tracked, audited, and rolled back if needed, enhancing transparency and accountability—and reducing the impact of errors.
  • Operational efficiency and cost optimization: IaC automates routine tasks, freeing up IT teams to focus on strategic initiatives. This drives innovation while reducing operational overhead. Coupled with better resource management and utilization, this automation helps organizations significantly optimize their infrastructure costs.

Common IaC tools and frameworks

Several tools have emerged to support IaC practices. The most popular include:
  • Terraform: An open-source IaC tool that uses a declarative language (HCL) to describe infrastructure across multiple cloud providers. Its cloud-agnostic approach makes it ideal for managing multi-cloud environments and deploying infrastructure at scale.
  • AWS CloudFormation: An IaC service that allows you to model and set up AWS resources using a template-based approach. It’s perfect for organizations that are heavily invested in the AWS ecosystem.
  • Ansible: An IT automation engine that can be utilized for configuration management and application deployment in addition to infrastructure provisioning. Its declarative language (YAML) and agentless architecture make it easy to get started with.
Selecting the right IAC tool will depend largely on infrastructure size, a team’s familiarity with the tool’s language, and the specific requirements of a project. It’s important to assess the features, ease of use, and community support for every tool before deciding.
Software coding

Continuous integration and continuous deployment (CI/CD)

CI/CD combines the practices of continuous integration and continuous deployment to automate software delivery and infrastructure provisioning. With a CI/CD pipeline, teams are able to more frequently and reliably deliver code changes that are automatically tested and deployed.
Common CI/CD tools include Jenkins, GitLab CI/CD, CircleCI, and Travis CI.

Significance of CI/CD in modern software development practices

CI/CD practices streamline the software development lifecycle with the automation of the build, test, and deployment processes. This automation increases the speed of software development, reduces the time between writing code and running it in production, and, ultimately, allows for faster feedback cycles. Continuous integration and delivery also help improve the end-user experience by identifying errors faster, mitigating downtime, and enhancing the application’s responsiveness to user needs.

Key components of a CI/CD pipeline

There are three core elements in a CI/CD pipeline:
  • Continuous integration: Builds and tests code changes automatically as they are committed to version control. CI catches issues early, ensuring that the main codebase remains stable.
  • Continuous delivery/deployment: Automates the release process, making it possible to deploy new changes to production at any time.
  • Continuous monitoring and feedback: Involves constantly monitoring application performance and user feedback to identify issues quickly and inform future development.
    Benefits of CI/CD
In addition to streamlining code delivery, CI/CD offers several benefits that extend to the rest of the business: 
  • Accelerated time to value: CI/CD enables organizations to release new features and fixes more frequently, keeping pace with customer and market demands.
  • Improved code quality: Automated testing at every stage of the pipeline helps catch bugs early, reducing the cost of fixing issues in production.
  • A better developer experience: Automating routine tasks like testing and debugging code gives developers more time to focus on other strategic and rewarding tasks. This also reduces burnout and developer churn.
  • Reduced risk: Smaller, more frequent releases are easier to troubleshoot and roll back if issues arise.

The synergy between IaC and CI/CD

When combined, IaC and CI/CD create a powerful ecosystem that accelerates development velocity and drives innovation. As a result, businesses can become more agile, taking their products and features to market faster than their competitors while also improving the developer experience.

IaC enables consistent, reproducible infrastructure for CI/CD pipelines

IaC’s ability to define infrastructure as code complements CI/CD’s automated pipelines, creating a fully versioned and repeatable environment from development to production. This synergy eliminates the “it works on my machine” problem and reduces environment-related issues, allowing teams to focus on innovation rather than troubleshooting.
Consider this example: A web application team uses AWS CloudFormation for IaC and Jenkins for CI/CD. CloudFormation defines and manages AWS resources like EC2 instances and databases, while the Jenkins pipeline automatically provisions staging environments, deploys and tests the application, and updates production. This integrated approach allows for rapid, consistent deployments with minimal manual intervention, significantly reducing errors and accelerating the delivery cycle.

Integrating IaC and CI/CD for efficient software delivery pipelines

The combination of IaC and CI/CD empowers organizations to respond to change with unprecedented speed and flexibility. Infrastructure can be updated and deployed as easily as application code, allowing for rapid pivots in response to market changes. This synergy enables:
  • Dynamic environment creation: Each new feature branch can automatically spin up its own isolated testing environment, enhancing parallel development capabilities.
  • Comprehensive testing: Infrastructure changes can be tested as part of the CI/CD pipeline, catching potential issues before they reach production and improving overall system stability.
  • Advanced deployment strategies: IaC facilitates sophisticated techniques like blue-green deployments, enabling zero-downtime updates and easy rollbacks, thus minimizing risk and maximizing uptime.
    Automation, testing, and monitoring throughout the development lifecycle
The integration of IaC and CI/CD enables comprehensive automation, testing, and monitoring at every stage of the software development lifecycle, promoting a team’s ability to deliver high-quality, reliable releases. 
This end-to-end approach incorporates automated testing of both infrastructure and application code, continuous validation against security policies and compliance requirements, and enhanced monitoring across all environments. 
By automating the entire pipeline, including infrastructure provisioning, teams can benefit from faster feedback loops, accelerating the development process and allowing issues to be caught and addressed earlier when they’re less costly to fix.

Enabling agility, scalability, and rapid innovation

The synergies between IaC and CI/CD empower organizations to adapt and evolve at a rapid pace. The result is a culture of continuous improvement where teams can:
  • Quickly adapt to changing requirements: Infrastructure can be updated and deployed as easily as application code, allowing for rapid pivots in response to market changes.
  • Scale on-demand: Infrastructure can be automatically scaled based on application needs, ensuring optimal performance during peak times.
  • Experiment safely: Developers can easily spin up isolated environments to test new features or architectural changes without affecting the main application.

Leverage the power of IaC and CI/CD 

The ability to deliver high-quality applications quickly and reliably is more than just a technical advantage—it’ a business imperative. Infrastructure as code and CI/CD practices offer a clear path to achieving this goal, enabling organizations to speed up their software development lifecycle, improve quality, and respond to market demands with more agility.
For CIOs and CTOs looking to drive business growth and maintain a competitive edge, embracing these practices is key. Implementing IaC and CI/CD can help you transform your software delivery pipeline, empowering your teams to innovate faster and more reliably than ever before.
There are many rewards to making this shift. Faster time-to-market, improved operational efficiency, and increased innovation capacity all come together to help teams deliver better software that drives real business value.
Want to accelerate your development pipeline?