Information Density: Travis CI – Signal Evidence & AI Readability

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How developers build simple, trustworthy CI/CD pipelines
Join hundreds of thousands who define tests and deployments in minutes, then scale up simply with parallel or multi-environment builds using Travis CI’s precision syntax—all designed with the developer experience in mind.

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Where developers trust Travis CI with testing and automation

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Build your new CI/CD pipeline in 20 minutes or less
Whether starting from scratch or rebuilding a rich ecosystem, get pipelines flowing with preconfigured environments for your language and a minimal syntax with up to 50% less YAML or JSON.

Explore Our Quickstart

Python

JavaScipt (node.JS)

Java

C/C++

PHP

Rust

Go

C#

Ruby

language: python
python:
- "3.7"
- "3.8"
- "3.9"
# Command to install dependencies
install:
- pip install -r requirements.txt
- pip install pytest pytest-cov
# Command to run tests
script:
- pytest --cov=./ tests/
# Specify branches to build
branches:
only:
- main
- develop
# Cache pip dependencies
cache: pip
# Run jobs in parallel
jobs:
include:
- name: "Lint"
python: "3.9"
before_script:
- pip install flake8
script:
- flake8 .
- name: "Docs"
python: "3.9"
before_script:
- pip install sphinx
script:
- sphinx-build -b html docs docs/_build
after_success:
- pip install coveralls
- coveralls
notifications:
email:
on_success: never
on_failure: always

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language: node_js
node_js:
- "12"
- "14"
- "16"
# Specify the operating system
os:
- linux
- osx
# Cache dependencies
cache:
directories:
- node_modules
# Install dependencies
install:
- npm ci
# Run tests
script:
- npm run test
- npm run build
# Run jobs in parallel
jobs:
include:
- stage: lint
node_js: "16"
script: npm run lint
- stage: coverage
node_js: "16"
script: npm run test:coverage
# Deploy to npm
deploy:
provider: npm
email: "[email protected]"
api_key: $NPM_TOKEN
on:
tags: true
branch: main
# Notifications
notifications:
email:
on_success: never
on_failure: always
slack:
rooms:
- secure: "encrypted-slack-webhook-url"

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language: java
jdk:
- openjdk11
- openjdk14
# Cache dependencies
cache:
directories:
- $HOME/.m2
# Build stages
stages:
- test
- name: deploy
if: branch = main
jobs:
include:
- stage: test
name: "Unit Tests"
script: mvn test
- stage: test
name: "Integration Tests"
script: mvn verify -Pintegration-tests
- stage: deploy
name: "Deploy to Staging"
script: mvn deploy -Pstaging
# Notifications
notifications:
email:
recipients:
- [email protected]
on_success: change
on_failure: always
# Before install steps
before_install:
- chmod +x mvnw
# Main build script
script:
- ./mvnw clean install
# After success steps
after_success:
- bash <(curl -s https://codecov.io/bash)
# Only build these branches
branches:
only:
- main
- develop

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language: cpp
compiler:
- gcc
- clang
before_install:
- sudo apt-get update
- sudo apt-get install -y cmake
script:
- mkdir build
- cd build
- cmake ..
- make
- make test
notifications:
email: false

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language: php
php:
- 7.4
- 8.0
- 8.1
before_script:
- composer self-update
- composer install --no-interaction
script:
- vendor/bin/phpunit
- vendor/bin/phpcs
cache:
directories:
- $HOME/.composer/cache
notifications:
email: false

Copied

language: rust
rust:
- stable
- beta
- nightly
matrix:
allow_failures:
- rust: nightly
fast_finish: true
cache: cargo
before_script:
- rustup component add clippy
script:
- cargo build --verbose
- cargo test --verbose
- cargo clippy -- -D warnings
notifications:
email: false

Copied

language: go
go:
- 1.16.x
- 1.17.x
- 1.18.x
- tip
matrix:
allow_failures:
- go: tip
fast_finish: true
before_install:
- go get -t -v ./...
script:
- go test -race -coverprofile=
coverage.txt -covermode=atomic
- go vet ./...
- diff -u <(echo -n) <(gofmt -d .)
after_success:
- bash <(curl -s https://codecov.io/bash)
notifications:
email: false

Copied

language: csharp
mono: none
dotnet: 6.0.100
install:
- dotnet restore
script:
- dotnet build
- dotnet test
notifications:
email: false
branches:
only:
- main
- develop
cache:
directories:
- $HOME/.nuget/packages

Copied

language: ruby
rvm:
- 2.6
- 2.7
- 3.0
install:
- bundle install
script:
- bundle exec rake test
after_success:
- bundle exec rake coveralls:push
notifications:
email:
recipients:
- [email protected]
on_success: always
on_failure: always

Copied

1.
[H2]
Build your new CI/CD pipeline in no time
Whether starting from scratch or rebuilding a rich ecosystem, get pipelines flowing with preconfigured environments for your language and a minimal syntax with up to 50% less YAML or JSON.

Explore Our Quickstart

PHYTON

Javascript (node.js)

Java

C++

php

Rust

Go

C#

Ruby

language: python
python:
- "3.7"
- "3.8"
- "3.9"
# Command to install dependencies
install:
- pip install -r requirements.txt
- pip install pytest pytest-cov
# Command to run tests
script:
- pytest --cov=./ tests/
# Specify branches to build
branches:
only:
- main
- develop
# Cache pip dependencies
cache: pip
# Run jobs in parallel
jobs:
include:
- name: "Lint"
python: "3.9"
before_script:
- pip install flake8
script:
- flake8 .
- name: "Docs"
python: "3.9"
before_script:
- pip install sphinx
script:
- sphinx-build -b html docs docs/_build
after_success:
- pip install coveralls
- coveralls
notifications:
email:
on_success: never
on_failure: always

Copied

language: node_js
node_js:
- "12"
- "14"
- "16"
# Specify the operating system
os:
- linux
- osx
# Cache dependencies
cache:
directories:
- node_modules
# Install dependencies
install:
- npm ci
# Run tests
script:
- npm run test
- npm run build
# Run jobs in parallel
jobs:
include:
- stage: lint
node_js: "16"
script: npm run lint
- stage: coverage
node_js: "16"
script: npm run test:coverage
# Deploy to npm
deploy:
provider: npm
email: "[email protected]"
api_key: $NPM_TOKEN
on:
tags: true
branch: main
# Notifications
notifications:
email:
on_success: never
on_failure: always
slack:
rooms:
- secure: "encrypted-slack-webhook-url"

Copied

language: java
jdk:
- openjdk11
- openjdk14
# Cache dependencies
cache:
directories:
- $HOME/.m2
# Build stages
stages:
- test
- name: deploy
if: branch = main
jobs:
include:
- stage: test
name: "Unit Tests"
script: mvn test
- stage: test
name: "Integration Tests"
script: mvn verify -Pintegration-tests
- stage: deploy
name: "Deploy to Staging"
script: mvn deploy -Pstaging
# Notifications
notifications:
email:
recipients:
- [email protected]
on_success: change
on_failure: always
# Before install steps
before_install:
- chmod +x mvnw
# Main build script
script:
- ./mvnw clean install
# After success steps
after_success:
- bash <(curl -s https://codecov.io/bash)
# Only build these branches
branches:
only:
- main
- develop

Copied

language: cpp
compiler:
- gcc
- clang
before_install:
- sudo apt-get update
- sudo apt-get install -y cmake
script:
- mkdir build
- cd build
- cmake ..
- make
- make test
notifications:
email: false

Copied

language: php
php:
- 7.4
- 8.0
- 8.1
before_script:
- composer self-update
- composer install --no-interaction
script:
- vendor/bin/phpunit
- vendor/bin/phpcs
cache:
directories:
- $HOME/.composer/cache
notifications:
email: false

Copied

language: rust
rust:
- stable
- beta
- nightly
matrix:
allow_failures:
- rust: nightly
fast_finish: true
cache: cargo
before_script:
- rustup component add clippy
script:
- cargo build --verbose
- cargo test --verbose
- cargo clippy -- -D warnings
notifications:
email: false

Copied

language: go
go:
- 1.16.x
- 1.17.x
- 1.18.x
- tip
matrix:
allow_failures:
- go: tip
fast_finish: true
before_install:
- go get -t -v ./...
script:
- go test -race -coverprofile=
coverage.txt -covermode=atomic
- go vet ./...
- diff -u <(echo -n) <(gofmt -d .)
after_success:
- bash <(curl -s https://codecov.io/bash)
notifications:
email: false

Copied

language: csharp
mono: none
dotnet: 6.0.100
install:
- dotnet restore
script:
- dotnet build
- dotnet test
notifications:
email: false
branches:
only:
- main
- develop
cache:
directories:
- $HOME/.nuget/packages

Copied

language: ruby
rvm:
- 2.6
- 2.7
- 3.0
install:
- bundle install
script:
- bundle exec rake test
after_success:
- bundle exec rake coveralls:push
notifications:
email:
recipients:
- [email protected]
on_success: always
on_failure: always

Copied

2.
[H2]
A precision tool for 
every CI/CD demand
Travis CI elegantly compacts all your testing automation into one minimal Configuration as Code file for a true developer experience. Simple syntax and effortless extensibility.

Build matrix

Parallel builds

Integrations

Notifications

Build Stage and Conditionals

Multiple OSs and Architectures

language: python
python:
- "3.7"
- "3.8"
- "3.9"
env:
- DJANGO_VERSION=2.2
- DJANGO_VERSION=3.0
- DJANGO_VERSION=3.1
matrix:
include:
- python: "3.9"
env: DJANGO_VERSION=3.2
exclude:
- python: "3.7"
env: DJANGO_VERSION=3.1
allow_failures:
- python: "3.9"
env: DJANGO_VERSION=3.2
before_install:
- pip install -U pip
- pip install -U setuptools
- pip install -q Django==$DJANGO_VERSION
install:
- pip install -r requirements.txt
script:
- python manage.py test
after_success:
- coveralls
notifications:
email: false

Copied
Run tests against different versions of your runtimes or dependencies—or even multiple languages—for comprehensive automation and absolute quality guarantees on your way to production.

language: python
python:
- "3.8"
services:
- mongodb
- redis
- mysql
env:
- DB=mongodb
- DB=redis
- DB=mysql
before_script:
- if [[ "$DB" == "mongodb" ]]; then mongo mydb_test
--eval 'db.createUser({user:"travis",pwd:"test",roles:
["readWrite"]});'; fi - if [[ "$DB" == "mysql" ]];
then mysql -e 'CREATE DATABASE IF NOT EXISTS mydb_test;
'; fi
script:
- if [[ "$DB" == "mongodb" ]]; then python
test_mongodb.py; fi
- if [[ "$DB" == "redis" ]]; then python
test_redis.py; fi
- if [[ "$DB" == "mysql" ]]; then python
test_mysql.py; fi

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Quickly split complex operations, like unit and integration tests, into multiple jobs that give you faster visual feedback on code quality and results—stop waiting on your pipeline to finish and get back to your IDE.

language: python
python:
- "3.8"
# Install dependencies
install:
- pip install -r requirements.txt
# Run tests
script:
- pytest
# Integration with Slack for notifications
notifications:
slack: your-slack-workspace:your-slack-token
# Integration with Codecov for code coverage reports
after_success:
- pip install codecov
- codecov
# Integration with GitHub Pages for documentation deployment
deploy:
provider: pages
skip_cleanup: true
github_token: $GITHUB_TOKEN
on:
branch: main

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Enable the must-haves, like build status images, static code analysis, and key management without wasting time on needlessly complex glue. For everything else, the Travis CI API has your back.

language: python
python:
- "3.8"
script:
- python -m pytest tests/
notifications:
email:
recipients:
- [email protected]
on_success: change
on_failure: always
slack:
rooms:
- secure: "encrypted-slack-webhook-url"
on_success: always
on_failure: always
template:
- "Build <%{build_url}|#%{build_number}>
(<%{compare_url}|%{commit}>) of %{repository_slug}
@%{branch} by %{author} %{result} in %{duration}"
webhooks:
urls:
- https://webhook.site/your-unique-id
on_success: change
on_failure: always
irc:
channels:
- "irc.freenode.org#myproject"
template:
- "%{repository} (%{commit}) : %{message}"
- "Build details: %{build_url}"
pushover:
api_key: "pushover-api-key"
users:
- "pushover-user-key"
template: "%{repository} (%{commit}) :
%{message} - %{duration}"
after_failure:
- cat /home/travis/build/your-github-username/
your-repo-name/tests/test-suite.log

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Switch on highly customizable notifications to email, Slack, Opsgenie, any webhook destination, and many more. All you need to bring is your API token and as little as two fresh lines of YAML.

language: python
python:
- "3.8"
stages:
- test
- name: deploy
if: branch = main
jobs:
include:
- stage: test
name: "Unit Tests"
script: python -m unittest discover tests/unit
- stage: test
name: "Integration Tests"
script: python -m unittest discover tests/integration
- stage: deploy
name: "Deploy to Production"
script:
- pip install awscli
- aws s3 sync . s3://my-bucket/ --delete
env:
global:
- PYTHONPATH=$PYTHONPATH:$TRAVIS_BUILD_DIR
before_install:
- pip install -r requirements.txt
branches:
only:
- main
- develop
notifications:
email:
on_success: never
on_failure: always

Copied
Infinitely organize complex CI/CD pipelines into groups that only run if other parallel jobs have been completed successfully. Catch failures faster or layer in smart conditionals to catch edge cases other CI/CD tools lose track of.

language: generic
jobs:
include:
# Linux builds
- os: linux
arch: amd64
- os: linux
arch: arm64
# macOS builds
- os: osx
osx_image: xcode12.5
# Windows builds
- os: windows
script:
- echo "Running tests on $TRAVIS_OS_NAME $TRAVIS_CPU_ARCH"
- # Add your build and test commands here
notifications:
email: false

Copied
Test your code in parallel on more flexible combinations than any other CI/CD tool. Mix-and-match amd64, ppc64le, s390x, arm64, and arm64-graviton2 CPUs with Linux, macOS, and Windows environments to make your builds edge case-free.

2.
[H2]
A precision tool for every CI/CD demand
Travis CI elegantly compacts all your testing automation into one minimal Configuration as Code file for a true developer experience. Simple syntax and effortless extensibility.

Build matrix

Parallel builds

Integrations

Notifications

Build Stages and Conditionals

Multiple OSs and Architectures

language: python
python:
- "3.7"
- "3.8"
- "3.9"
env:
- DJANGO_VERSION=2.2
- DJANGO_VERSION=3.0
- DJANGO_VERSION=3.1
matrix:
include:
- python: "3.9"
env: DJANGO_VERSION=3.2

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[H2]
Why pay for Travis CI when GitHub is free
We know you can get your build minutes for free elsewhere. The harsh reality is that free comes at a commoditized, developer-unfriendly cost.
As a developer, you invest in tools for good reasons:

[H3] You seek something built for you

You don’t want the cortisol spike of gluing together unsupported plugins from a marketplace or navigating a monstrous ‘DevSecOps platform’ designed for other folks at enterprise scale.
You want a precision tool designed to help you get the job done. Learn something new. Elevate your skills. Nudge you toward the next step in your development journey.

[H3] You seek real community and support from developers

Good luck getting help on your Actions build from a real GitHub engineer—they’ll tell you to read the docs or ask around on Reddit and Stack Overflow.
Travis CI takes a different tack. We recognize the value of a tight-knit community of developers with deep CI/CD experience. It is, simply put, an expense we’re happy to bear.

[H3] You seek resilience

Travis CI launched in 2011 as the first cloud-based CI tool, and has continuously grown since because we refuse the CI/CD commodification and commit to building undeniably simple and extensible tools.
Hundreds of thousands of developers at businesses large and small trust Travis CI today—the most downloaded app on GitHub and highest-rated CI/CD tool for performance and ROI many years running.

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