Environment Variables

Some parts of the build can be configured with environment variables. These are often prefixed with RAILPACK_.

Build Configuration

Name	Description
`RAILPACK_BUILD_CMD`	Set the command to run for the build step. This overwrites any commands that come from providers
`RAILPACK_INSTALL_CMD`	Set the command to run for the install step. This overwrites any commands that come from providers. All files are copied to the root of the project before running the command.
`RAILPACK_START_CMD`	Set the command to run when the container starts
`RAILPACK_PACKAGES`	Install additional Mise packages. In the format `pkg@version`. The latest version is used if not provided.
`RAILPACK_BUILD_APT_PACKAGES`	Install additional Apt packages during build
`RAILPACK_DEPLOY_APT_PACKAGES`	Install additional Apt packages in the final image

To configure more parts of the build, it is recommended to use a config file.

These environment variables affect the behavior of Railpack:

Name	Description
`FORCE_COLOR`	Force colored output even when not in a TTY