Docker Questions

Change of file in subfolder doesn’t invalidate cachce (ADD or COPY)

Posted on 20th October 2019 by Andrea Dodet

While trying to dockerise an r-shiny app I am having problems with Docker cache invalidation. Changing a file in /app

How to test dockerized Flask-Cognito microservice?

Posted on 20th October 2019 by Honza eda

I need test a dockerized Flask-Cognito application. My requirements are: Test running docker container as a black box. It means

Getting a crashloopbackoff error in Google Kubernetes Engine

Posted on 20th October 2019 by lagos dude

I have a dockerfile to build a simple react app for deployment to GKE. But I get a crashloopback error

Docker sets up the cluster with mysql by pxc occure ‘MySQL init process failed.’

Posted on 20th October 2019 by Leandy

I built mysql cluster environment with docker on the virtual machine, and built it with PXC strong consistency. However, the

ECS Fargate NGINX container not showing errors in CloudWatch logs

Posted on 20th October 2019 by lollercoaster

My nginx Dockerfile: FROM nginx:1.15.12-alpine RUN rm /etc/nginx/conf.d/default.conf COPY ./nginx/nginx.conf /etc/nginx/conf.d # Forward request logs to Docker log collector RUN

same Spark program could not fully use CPU resource on another machine

Posted on 20th October 2019 by Litchy

I have 2 machines, with same CPU, 4 numa nodes and 24*4 = 96 cores totally, I use spark local[96]

Pods are not getting created and not running after a long time also

Posted on 20th October 2019 by Penguin Tech

kubectl get pods NAME READY STATUS RESTARTS AGE cassandra-0 0/1 Pending 0 9h cd-jenkins-7fb5d96d69-v9svc 1/1 Running 0 9h hello-1571555340-872pt 0/1

Why am I getting 404 with Go in docker

Posted on 20th October 2019 by chuksFinn

This is my Dockerfile FROM golang:alpine AS build RUN apk –no-cache add gcc g++ make git WORKDIR /go/src/app COPY .

Error in running jar file of spring boot application

Posted on 20th October 2019 by Muhammad Usama Waheed

When i create a jar file it will be created but when i run a jar file it will show

Difference between Hypervisor Virtualization and Container Virtualization

Posted on 20th October 2019 by u kevinpollet

A bit old but a really nice explanation about the differences between hypervisor and container virtualization. https://www.slashroot.in/difference-between-hypervisor-virtualization-and-container-virtualization submitted by