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TeamCity is a JetBrains continuous integration and delivery (CI/CD) server used to automate build, test, and deployment workflows. Development teams use it to turn source code changes into validated artifacts and release candidates, helping reduce manual steps and catch issues earlier in the delivery process. It is commonly adopted by organizations that need repeatable pipelines across multiple projects, languages, and repositories.
TeamCity typically runs as a central server with build agents that execute jobs on dedicated machines or in containers, and it integrates with common version control and issue tracking tools. Pipelines are usually defined per project and triggered by commits, pull requests, or schedules.
Continuous Integration is a mode of work where multiple programmers can integrate changes continuously into the same code.
The foundation of successful collaboration lies in the agreement on facts, while the key to achieving development velocity is through conducting experiments in the form of tests to validate the code's functionality.
Continuous Integration facilitates both of these processes by creating two distinct processes:
- The first process allows developers to agree on the "true" codebase, commonly called the master branch or trunk.
- The second process validates the codebase after changes are made using tests.
For startups, it is crucial to have processes in place that enable collaboration, and enhance the delivery of changes in a consistent, predictable, and safe manner. This is typically achieved by running automated tests after the introduction of a change into a Git branch or after creating a Pull-Request. If the tests fail or if the branch is not up-to-date with the latest changes from the main branch, the change to the code cannot be introduced to the main version of the code. Such measures ensure that non-working changes are not introduced into the main branch, instilling confidence in introducing changes to the system.
Our experience with TeamCity helped us develop practical CI/CD standards, reusable pipeline patterns, and operational runbooks that we apply when helping clients stabilize and accelerate software delivery across different stacks and team sizes. We worked with TeamCity in delivery environments where build throughput, traceability, and secure automation directly impacted release reliability.
Some of the things we did include:
This experience helped us accumulate significant knowledge across TeamCity use-cases—from greenfield setups to migrations, security hardening, and performance tuning—and enables us to deliver high-quality TeamCity implementations that are secure, maintainable, and easy for teams to operate over time.
MeteorOps helps teams implement, standardize, and operate TeamCity so CI/CD is faster, safer, and easier to scale:
Learn more about TeamCity at https://www.jetbrains.com/teamcity/.