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57 lines
4.1 KiB
Plaintext
:_mod-docs-content-type: ASSEMBLY
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[id="microshift-embedded-apps-on-rhel-edge"]
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= Options for embedding applications in a RHEL for Edge image
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include::_attributes/attributes-microshift.adoc[]
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:context: microshift-embedded-apps-on-rhel-edge
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toc::[]
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You can embed microservices-based workloads and applications in a {op-system-ostree-first} image to run in a {microshift-short} node. Embedded applications can be installed directly on edge devices to run in disconnected or offline environments.
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[id="microshift-add-app-RPMs-to-rpm-ostree-image_{context}"]
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== Adding application RPMs to an rpm-ostree image
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If you have an application that includes APIs, container images, and configuration files for deployment such as manifests, you can build application RPMs. You can then add the RPMs to your {op-system-ostree} system image.
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The following is an outline of the procedures to embed applications or workloads in a fully self-contained operating system image:
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* Build your own RPM that includes your application manifest.
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* Add the RPM to the blueprint you used to install {product-title}.
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* Add the workload container images to the same blueprint.
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* Create a bootable ISO.
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For a step-by-step tutorial about preparing and embedding applications in a {op-system-ostree} image, use the following tutorial:
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* xref:../microshift_running_apps/microshift-embedding-apps-tutorial.adoc#microshift-embedding-apps-tutorial[Embedding applications tutorial]
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[id="microshift-add-app-manifests-to-image_{context}"]
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== Adding application manifests to an image for offline use
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If you have a simple application that includes a few files for deployment such as manifests, you can add those manifests directly to a {op-system-ostree} system image.
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See the "Create a custom file blueprint customization" section of the following {op-system-ostree} documentation for an example:
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* link:https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/composing_installing_and_managing_rhel_for_edge_images/composing-a-rhel-for-edge-image-using-image-builder-command-line_composing-installing-managing-rhel-for-edge-images#image-customizations_composing-a-rhel-for-edge-image-using-image-builder-command-line[Create a custom file blueprint customization]
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[id="microshift-embed-apps-for-offline-use_{context}"]
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== Embedding applications for offline use
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If you have an application that includes more than a few files, you can embed the application for offline use. See the following procedure:
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* xref:../microshift_running_apps/microshift-embed-apps-offline-use.adoc#microshift-embed-apps-offline-use[Embedding applications for offline use]
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//additional resources for assembly
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[id="additional-resources_microshift-embed-apps-on-rhel-edge_{context}"]
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[role="_additional-resources"]
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== Additional resources
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* xref:../microshift_install_rpm_ostree/microshift-embed-in-rpm-ostree.adoc#microshift-embed-in-rpm-ostree[Embedding {product-title} in an RPM-OSTree image]
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* link:https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/{op-system-version-major}/html/composing_installing_and_managing_rhel_for_edge_images/index[Composing, installing, and managing {op-system-ostree} images]
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* xref:../microshift_install_rpm_ostree/microshift-embed-in-rpm-ostree.adoc#preparing-for-image-building_microshift-embed-in-rpm-ostree[Preparing for image building]
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* link:https://cloud.redhat.com/blog/meet-red-hat-device-edge-with-microshift[Meet Red Hat Device Edge]
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* link:https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/{op-system-version-major}/html-single/composing_installing_and_managing_rhel_for_edge_images/index#composing-a-rhel-for-edge-image-using-image-builder-command-line_composing-installing-managing-rhel-for-edge-images[Composing a RHEL for Edge image using image builder command-line]
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* link:https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/{op-system-version-major}/html-single/composing_installing_and_managing_rhel_for_edge_images/index#edge-image-builder-system-requirements_setting-up-image-builder[Image Builder system requirements]
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//* link:https://www.redhat.com/sysadmin/create-rpm-package[How to create a Linux RPM package]
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