Flyway

Configuration from Standard Input

You can provide configuration options to the standard input of the Flyway command line, using the -configFiles=- option. Flyway will expect such configuration to be in the same format as a configuration file.

This allows you to compose Flyway with other operations. For instance, you can decrypt a config file containing login credentials and pipe it straight into Flyway.

Examples

Read a single option from echo:

echo $'flyway.url=jdbc:h2:mem:mydb' | flyway info -configFiles=-

Read multiple options from echo, delimited by newlines:

echo $'flyway.url=jdbc:h2:mem:mydb\nflyway.user=sa' | flyway info -configFiles=-

Use cat to read a config file and pipe it directly into Flyway:

cat flyway.conf | flyway migrate -configFiles=-

Use gpg to encrypt a config file, then pipe it into Flyway.

Encrypt the config file:

gpg -e -r "Your Name" flyway.conf

Decrypt the file and pipe it to Flyway:

gpg -d -q flyway.conf.gpg | flyway info -configFiles=-

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