Automating Devops With Gitlab Ci/cd Pipelines Read Online ((install)) Access

workflow: rules: - if: $CI_PIPELINE_SOURCE == "merge_request_event" - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS when: never - if: $CI_COMMIT_BRANCH Now each merge request runs a full pipeline, and GitLab blocks merging if tests fail. Modern applications often consist of multiple microservices. GitLab supports cross-project automation. Triggering a downstream pipeline In project A (frontend):

(set in GitLab UI → Settings → CI/CD → Variables) can be masked or protected for specific branches. 3.2 Conditional Logic with rules The only/except keywords are deprecated in favor of rules . automating devops with gitlab ci/cd pipelines read online

curl --request POST --form "token=$CI_JOB_TOKEN" --form "ref=main" "https://gitlab.com/api/v4/projects/123/trigger/pipeline" This allows external systems (monitoring, chatops) to start pipelines. DevOps automation must include security. GitLab provides native security scanning. SAST (Static Application Security Testing) Add to your pipeline: Triggering a downstream pipeline In project A (frontend):

include: - template: Security/SAST.gitlab-ci.yml GitLab automatically runs SAST scanners for your language (Python, Java, Go, etc.) and shows vulnerabilities in merge requests. include: - template: Security/Dependency-Scanning.gitlab-ci.yml Secret Detection Prevents accidental commits of passwords/keys: DevOps automation must include security

Introduction: The Shift from Manual to Automated DevOps In the early days of software development, deploying code was a manual, nerve-wracking affair. System administrators would SSH into servers, pull code from repositories, run build commands, and restart services. This process was error-prone, slow, and unscalable.

variables: DOCKER_REGISTRY: registry.gitlab.com APP_NAME: myapp job: script: - docker build -t $DOCKER_REGISTRY/$APP_NAME .