Flyway

Configuration

Configuration

Flyway has many different parameters that can be set to configure its behavior. These parameters can be set through a variety of different means, depending on how you are using Flyway.

Usage

Command Line

If using the command line, config parameters can be set via:

  • Command line arguments
    • e.g. ./flyway -url=jdbc:h2:mem:flyway info
  • Configuration files
  • Environment variables
    • e.g. FLYWAY_URL=jdbc:h2:mem:flyway

You can find out about the evaluation order of these mechanisms in CLI configuration order

API

If using the API, config parameters can be set via:

  • Calling methods on the configuration object returned by Flyway.configure()
    • e.g. Flyway.configure().url("jdbc:h2:mem:flyway").load()
  • Configuration files
  • Environment variables if the .envVars() method is called on the configuration object.

Maven

If using Maven, config parameters can be set:

  • On the configuration XML block in the maven config
  • Configuration files
  • Environment variables
    • e.g. FLYWAY_URL=jdbc:h2:mem:flyway

Gradle

If using Gradle, config parameters can be set:

  • In the plugin configuration block
  • Configuration files
  • Environment variables
    • e.g. FLYWAY_URL=jdbc:h2:mem:flyway

Resolvers

Values beginning with $ are treated as values to be resolved by resolvers. Resolvers are integrations with other value-storage systems such as Vault.

If you have a value starting with $ which is not something to be resolved, it can be escaped by starting it with $$.


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