Dockerfile: The above docker build fails with the error: target folder does not exist The below dockerfile works perfectly: Just changing CMD to RUN fixed the issue. Why is this happening? I thought in the intermittent container, the cmd would execute which should make both the commands equivalent right? Answ…
Tag: docker
Why is my java docker image created successfully on laptop but when uploading to google cloud run it fails?
dockerfile: In local build is successful using the command: But when trying to upload image to google cloud run using command: It gives error: What might be wrong here? Answer Couldn’t find an answer so posting the solution that I found on my own. If you can build docker images on local machine but goog…
Run ES docker image with custom port using testcontainers
I want to run a container tests that running ES image via Docker. After some research I found https://www.testcontainers.org/ and they also have a built-it ES module. Because my development environment using ES in ports 9200 and 9300 I prefer to use another ports for my tests, let’s say 1200 and 1300. Therefo…
Error when running docker container “NoClassDefFoundError”
I am trying to dockerize a simple Spring Boot Application, built with Maven. Dockerfile: When I run the .jar without the container (java -jar target/backend-1.0-SNAPSHOT.jar), everything works fine and the app is running. Now I create the container with docker build -t company/backend . But when I try to run …
Problem with using jib maven plugin offline for building docker container
I’m following Spring Boot Docker Tutorial from here. I got the exact result while having an internet connection. Now I need to produce the same result in an environment without an internet connection. I copied maven repositories and docker image into the new environment. I’m quite sure maven and d…
How to disable Keep alive in SpringBoot application in docker image
We have a Web application with following technologies: Java, SpringBoot, Docker, Microservices, Jhipster. The port number for the frontend container is 80. I am trying to disable keep alive option for the frontend microservice because SSO Authentication Server requires this parameter set to be false. I tried …
How to give name or tag for intermediate image?
I used docker to build my Java application and I using the multi-stage building and I have some problems every time when I run the docker command for building the docker creates new intermediate image with tag and name none and I need the possibility to called intermediate containers. That is my dockerfile: a…
Docker fails with Sub-process /usr/bin/dpkg returned an error code (1)
Im having issues trying to install JRE into my docker container. I keep getting the error message; If I scroll up the build output a bit, I also see the following issues; My Dockerfile is very simple, but it just wont work It looks to be using debian buster, any help getting this to work would be greatly appr…
How to add many SSL certificates for Java application inside docker?
I’m new in docker. I want to add several certificates for Java application inside Docker. I’m using this code in Dockerfile: and it works fine, but only for one certificate. How I can add all certificates from /files folder with one line command or in some cycle or maybe with bash file? UPDATED: I…
Docker disable restart on-failure
The following situation: I have a Spring Boot Application which runs in a Docker swarm but fails to start because it was not properly configured (a property is missing). It seems to me that the docker swarm always tries to restart the container, but always fails because of the missing property. The restart ma…