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Questions tagged [redhat-containers]

For development issues while creating applications in containers for Red Hat platforms.

Use this tag for discussing issues related to building apps on containers.

Red Hat Container Development Kit provides a pre-built Container Development Environment based on Red Hat Enterprise Linux to help you develop container-based (sometimes called Docker) applications quickly. The containers you build can be easily deployed on any Red Hat container host or platform, including: Red Hat Enterprise Linux, Red Hat Enterprise Linux Atomic Host, and our platform-as-a-service solution, OpenShift Enterprise 3.

Click here for free development subscription which allows you to download Red Hat Container Development Kit for development use: https://developers.redhat.com/products/cdk/download/

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is it possible to Remove unwating sqlite package from one of Redhat linux docker base image

I have redhat linux image for .net core 3.1 registry.redhat.io/rhel8/dotnet-31-runtime:latest In docker file of my application i want to create an image without one if the inner reference package (sqlite) Is it possible to remove FROM…
Kamran Shahid
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Unable to connect SQL Server db in Windows platform from open shift container platform

We hosted a .Net core 2.2 API in Red Hat Open shift container platform. API is using Entity Framework connecting to a SQL Server db on Windows Server, but both the container platform, SQL Server are on the same domain. Now the API is unable to…
Sankaranarayanan Vaidyanathan
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How to determine resource limit for Openshift Pods required for my tomcat application?

I've a web application (soap service) running in Tomcat 8 server in Openshift. The payload size is relatively small with 5-10 elements and the traffic is also small (300 calls per day, 5-10 max threads at a time). I'm little confused on the Pod…
pai
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Openshift Monitoring - cAdvisor + Prometheus - Docker

I tried to implement a monitoring solution for Openshift cluster based on Prometheus + node-exporter + grafana + cAdvisor. I have a huge problem with cAdvisor component. I did a lot of configuration (The changes always do with volumes), but none of…
user9177546
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Openshift installation error for etcd?

Trying to install Openshift-Enterprise getting the following error during the pre-requisites check phase. TASK [Evaluate groups - Fail if no etcd hosts group is defined]…
Jeel
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Access Angular app running inside Docker container

I've created a docker image to test an Angular app but I cannot connect from host to running app inside docker container. The image was created using a Dockerfile with: EXPOSE 4200 8080 80 I run the docker container with command: docker run -ti -p…
sasser
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Does a RHEL7 docker container use AWS hosted RHEL7 host subscription/entitlement?

I know that Redhat containers have access to the Redhat host yum repos through hosts entitlement/subscription certificates . But this access isn't working in AWS hosted Redhat7 instance. How can i provide host yum repo access to the containers yum…
karthik101
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Installation of CDK fails when running the CDS-installer

As I want to get a bit of exposure to OpenShift, I decided to install the CDK on my machine. According to the documentation I started the installation. Everything is fine, but the CDK download/install fails. Here are the lines from the log…
Alex Menz
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How to install the Red Hat Container Development Kit when behind a corporate webproxy?

When attempting to set up the Red Hat Container Development Kit on Windows behind a corporate web proxy the installer seems to fail to recognise the proxy settings that are configured. Installer file: devsuite-1.3.0-GA-installer.exe At the point…
WooWaaBob
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Connecting the Docker Daemon insde the CDK on RHEL based docker images

I want to use the docker command line tool as in "docker ps", "docker build" and "docker run". How can I connect "docker" to the Docker Daemon inside the CDK, so I can create RHEL-based Docker images?
user2879327
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How to add custom certificate chain to RedHat ubi8/dotnet-60 image?

I am trying to build a aspnet 6 web app container image using RedHat ubi8/dotnet-60-runtime image as base. Since I am working in a restricted environment where i cannot directly reach out to internet to download any dependency. To achieve that I…
KAshtekar
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Renovate bot and latest images tags from Redhat public registry

I'm using renovate to update Docker images from Redhat public registry : https://registry.access.redhat.com which is a Docker V2 registry. Renovate is not able to detect latest images version for ubi8-minimal by example. I tried to curl the registry…
javaxiss
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Why does bash wildcard * not work in a buildah run command?

While attempting to build an image via Buildah from CentOS:latest, yum wouldn't complete commands due to "no URLs in mirrorlist," so I added the following to the Dockerfile RUN sed -i -e "s;mirrorlist=;#mirrorlist=;g" -e…
Tri Pi
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Windows Containers support in Openshift 4.x

We have an Openshift cluster platform that is in Azure cloud(ARO). We need to migrate a web application from on premise Windows Server 2012 R2 to a windows container. Windows started images from 2016 server onwards. The current code is not…
Gaurab
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Failed to pull image "registry.connect.redhat.com/gitlab/gitlab-runner@sha256

Go this on Openshift 4.11 running a gitlab-runner/certified, community is fine but not good for production. I only found one related link online about the error https://gitlab.com/gitlab-org/gitlab-runner/-/issues/29470 Unfortunately there's no…
uniwinux
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