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Chainguard Image for flyway

Flyway is a database migration tool to evolve your database schema easily and reliably across all your instances.

Chainguard Images are regularly-updated, minimal container images with low-to-zero CVEs.

Download this Image

This image is available on cgr.dev:

docker pull cgr.dev/ORGANIZATION/flyway:latest

Be sure to replace the ORGANIZATION placeholder with the name used for your organization's private repository within the Chainguard registry.

Compatibility Notes

The Flyway Chainguard Image is meant to serve as a drop-in replacement for the Flyway image from Docker Hub. Like most other Chainguard Images, this image has few-to-zero CVEs and does not run as the root user.

The only difference between the Chainguard Image and the official Flyway image is that the Chainguard Image uses JDK 17 while the official Flyway image uses JDK 21.

Getting Started

To begin, start the Flyway container with a command like the following:

docker run --rm cgr.dev/ORGANIZATION/flyway

Next, configure Flyway by creating a file named flyway.conf:

mkdir -p /tmp/flyway
cat <<EOF > /tmp/flyway/flyway.conf
flyway.url=jdbc:sqlite:/flyway/db/test_db.sqlite3
flyway.user=sa
EOF

Following that, create the first migration file:

cat <<EOF > /tmp/flyway/sql/V1__Create_person_table.sql
create table PERSON (
    ID int not null,
    NAME varchar(100) not null
);
EOF

Finally, run the migration:

docker run --rm -v "/tmp/flyway/db:/flyway/db" -v "/tmp/flyway/sql:/flyway/sql" -v "/tmp/flyway/sql:/flyway/conf" cgr.dev/ORGANIZATION/flyway migrate

If everything worked as expected, you will receive the following output:

Database: jdbc:sqlite:/flyway/db/test_db.sqlite3 (SQLite 3.34)
Schema history table "main"."flyway_schema_history" does not exist yet
Successfully validated 1 migration (execution time 00:00.009s)
Creating Schema History table "main"."flyway_schema_history" ...
Current version of schema "main": << Empty Schema >>
Migrating schema "main" to version "1 - Create person table"
Successfully applied 1 migration to schema "main", now at version v1 (execution time 00:00.034s)

Documentation and Resources

Contact Support

If you have a Zendesk account (typically set up for you by your Customer Success Manager) you can reach out to Chainguard's Customer Success team through our Zendesk portal.

What are Chainguard Images?

Chainguard Images are a collection of container images designed for security and minimalism.

Many Chainguard Images are distroless; they contain only an open-source application and its runtime dependencies. These images do not even contain a shell or package manager. Chainguard Images are built with Wolfi, our Linux undistro designed to produce container images that meet the requirements of a secure software supply chain.

The main features of Chainguard Images include:

-dev Variants

As mentioned previously, Chainguard’s distroless Images have no shell or package manager by default. This is great for security, but sometimes you need these things, especially in builder images. For those cases, most (but not all) Chainguard Images come paired with a -dev variant which does include a shell and package manager.

Although the -dev image variants have similar security features as their distroless versions, such as complete SBOMs and signatures, they feature additional software that is typically not necessary in production environments. The general recommendation is to use the -dev variants only to build the application and then copy all application artifacts into a distroless image, which will result in a final container image that has a minimal attack surface and won’t allow package installations or logins.

That being said, it’s worth noting that -dev variants of Chainguard Images are completely fine to run in production environments. After all, the -dev variants are still more secure than many popular container images based on fully-featured operating systems such as Debian and Ubuntu since they carry less software, follow a more frequent patch cadence, and offer attestations for what they include.

Learn More

To better understand how to work with Chainguard Images, we encourage you to visit Chainguard Academy, our documentation and education platform.

Licenses

Chainguard Images contain software packages that are direct or transitive dependencies. The following licenses were found in the "latest" version of this image:

  • Apache-2.0

  • BSD-3-Clause

  • Bitstream-Vera

  • FTL

  • GCC-exception-3.1

  • GPL-2.0-only

  • GPL-2.0-or-later

For a complete list of licenses, please refer to this Image's SBOM.

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