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quarkus-getting-started

Result of the quarkus.io getting started - slightly extended so

  • a GraalVM native image can be built using a "self-contained" Dockerfile that does not require to build or install anything locally and
  • to be compiled statically so a minimal (scratch) docker base image can be used.

To build just run

docker build -t quarkus/getting-started .

Then start the container with

docker run -i --rm -p 8080:8080 quarkus/getting-started

Base images compared

As of April 2019, the quarkus.io getting started uses the fedora image to pack the final image. This repo provides a couple of other base images that compare as follows

Base Image Size Shell Package Manager libc Basic Linux Folders Static Binary Dockerfile
fedora 📄
debian 📄
alpine-glibc 📄
distroless-base 📄
busybox 📄
distroless-static 📄
scratch 📄

Note that

  • size is the compressed size within the DockerHub registry,
  • if a shell is needed
    • distroless images offer a debug tag (e.g.) gcr.io/distroless/base:debug that includes a shell. That is, the image can easily be built with a shell if necessary,
    • for scratch or in general at runtime you could just copy a statically compiled shell into the container, if needed for debugging (except, of course, you're using a read-only filesystem):
docker run --rm --name quarkus-getting-started schnatterer/quarkus-getting-started

docker create --name busybox busybox
docker cp busybox:/bin/busybox busybox
docker cp busybox quarkus-getting-started:/busybox
docker exec -it quarkus-getting-started /busybox sh

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Result of quarkus.io getting started in a self-contained minimal docker image

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