Running a script before deployment

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Cyril Rohr edited this page Mar 13, 2026 · 2 revisions

Use the pre_script input to run a local bash script inline over SSH before PullPreview runs the selected deployment target.

This works for both deployment targets:

before docker compose up for deployment_target: compose
before the Helm release install or upgrade for deployment_target: helm

pre_script is resolved relative to app_path.

Before the script runs, PullPreview sources /etc/pullpreview/env, so your script can use values such as:

PULLPREVIEW_URL
PULLPREVIEW_PUBLIC_DNS
PULLPREVIEW_PUBLIC_IP
PULLPREVIEW_DEPLOYMENT_TARGET
PULLPREVIEW_NAMESPACE
PULLPREVIEW_RELEASE_NAME
PULLPREVIEW_FIRST_RUN

That makes pre_script useful for:

first-run seeding
target-specific setup
migrations or other one-off preparation steps

See also Environment variables.