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Chapter 2. Creating a custom container image

You can create a container image from your Quarkus application using one of the following methods:

Creating a container manually
Creating a container using the OpenShift Docker build

Important

Compiling a Quarkus application to a native executable consumes a lot of memory during analysis and optimization. You can limit the amount of memory used during native compilation by setting the quarkus.native.native-image-xmx configuration property. Setting low memory limits might increase the build time.

2.1. Creating a container manually
링크 복사

This section shows you how to manually create a container image with your application for Linux X86_64. When you produce a native image using the Quarkus Native container it creates an executable that targets the Linux X86_64 operating system. If your host operating system is different from this, you will not be able to run the binary directly and you will need to create a container manually.

Your Quarkus Getting Started project includes a Dockerfile.native in the src/main/docker directory with the following content:

FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3
WORKDIR /work/
RUN chown 1001 /work \
    && chmod "g+rwX" /work \
    && chown 1001:root /work
COPY --chown=1001:root target/*-runner /work/application

EXPOSE 8080
USER 1001

CMD ["./application", "-Dquarkus.http.host=0.0.0.0"]

FROM registry.access.redhat.com/ubi8/ubi-minimal:8.3
WORKDIR /work/
RUN chown 1001 /work \
    && chmod "g+rwX" /work \
    && chown 1001:root /work
COPY --chown=1001:root target/*-runner /work/application

EXPOSE 8080
USER 1001

CMD ["./application", "-Dquarkus.http.host=0.0.0.0"]

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Universal Base Image (UBI)

The Dockerfiles use UBI as a base image. This base image was designed to work in containers. The Dockerfiles use the minimal version of the base image to reduce the size of the produced image.

Procedure

Build a native Linux executable using one of the following methods:

Build a native executable with Docker:

./mvnw package -Pnative -Dquarkus.native.container-build=true

./mvnw package -Pnative -Dquarkus.native.container-build=true

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Build a native executable with Podman:

./mvnw package -Pnative -Dquarkus.native.container-build=true -Dquarkus.native.container-runtime=podman

./mvnw package -Pnative -Dquarkus.native.container-build=true -Dquarkus.native.container-runtime=podman

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Build the container image using one of the following methods:

Build the container image with Docker:

docker build -f src/main/docker/Dockerfile.native -t quarkus-quickstart/getting-started .

docker build -f src/main/docker/Dockerfile.native -t quarkus-quickstart/getting-started .

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Build the container image with Podman

podman build -f src/main/docker/Dockerfile.native -t quarkus-quickstart/getting-started .

podman build -f src/main/docker/Dockerfile.native -t quarkus-quickstart/getting-started .

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Run the container:

Run the container with Docker:

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

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

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Run the container with Podman:

podman run -i --rm -p 8080:8080 quarkus-quickstart/getting-started

podman run -i --rm -p 8080:8080 quarkus-quickstart/getting-started

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2.2. Creating a container using the OpenShift Docker build
링크 복사

You can create a container image for your Quarkus application using the OpenShift Docker build strategy. This strategy creates a container using a build configuration in the cluster.

Prerequisites

You have access to a Red Hat OpenShift Container Platform cluster and the latest version of the OpenShift CLI (oc) is installed. For information about installing oc, see the "Installing the CLI" section of the Installing and configuring OpenShift Container Platform clusters guide.
A URL for the OpenShift API endpoint.

Procedure

Log in to the OpenShift CLI:
```
oc login -u <username_url>
```
```
oc login -u <username_url>
```
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Create a new project in OpenShift:
```
oc new-project <project_name>
```
```
oc new-project <project_name>
```
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Create a build config based on the src/main/docker/Dockerfile.native file:

cat src/main/docker/Dockerfile.native | oc new-build --name <build_name> --strategy=docker --dockerfile -

cat src/main/docker/Dockerfile.native | oc new-build --name <build_name> --strategy=docker --dockerfile -

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Build the project:

oc start-build <build_name> --from-dir .

oc start-build <build_name> --from-dir .

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Deploy the project to OpenShift:
```
oc new-app <build_name>
```
```
oc new-app <build_name>
```
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Expose the services:
```
oc expose svc/<build_name>
```
```
oc expose svc/<build_name>
```
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이 콘텐츠는 선택한 언어로 제공되지 않습니다.

Chapter 2. Creating a custom container image

2.1. Creating a container manually
링크 복사

2.2. Creating a container using the OpenShift Docker build
링크 복사

자세한 정보

평가판, 구매 및 판매

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이 콘텐츠는 선택한 언어로 제공되지 않습니다.

Chapter 2. Creating a custom container image

2.1. Creating a container manually링크 복사링크가 클립보드에 복사되었습니다!

2.2. Creating a container using the OpenShift Docker build링크 복사링크가 클립보드에 복사되었습니다!

자세한 정보

평가판, 구매 및 판매

커뮤니티

Red Hat 문서 정보

보다 포괄적 수용을 위한 오픈 소스 용어 교체

Red Hat 소개

Theme

Red Hat legal and privacy links

Red Hat legal and privacy links

2.1. Creating a container manually
링크 복사

2.2. Creating a container using the OpenShift Docker build
링크 복사