Is it possible to build image from Dockerfile and run it with a single command? There is one command docker build to build a Dockerfile and docker run -it to run the image. Is there any combination of these two commands to make it easier to build and run with just one command? 9 Answers … Read more
Below is the content of my “Dockerfile” FROM node:boron # Create app directory RUN mkdir -p /usr/src/app # Change working dir to /usr/src/app WORKDIR /usr/src/app VOLUME . /usr/src/app RUN npm install EXPOSE 8080 CMD [“node” , “server” ] In this file I am expecting VOLUME . /usr/src/app instruction to mount contents of present working directory … Read more
When I am running my docker image on windows 10. I am getting this error: standard_init_linux.go:190: exec user process caused “no such file or directory” my docker file is: FROM openjdk:8 EXPOSE 8080 VOLUME /tmp ADD appagent.tar.gz /opt/app-agent ADD services.jar app.jar ADD run.sh /run.sh # Install compiler and perl stuff RUN apt-get update RUN apt-get … Read more
I have a Python (2.7) app which is started in my dockerfile: CMD [“python”,”main.py”] main.py prints some strings when it is started and goes into a loop afterwards: print “App started” while True: time.sleep(1) As long as I start the container with the -it flag, everything works as expected: $ docker run –name=myapp -it myappimage … Read more
I have dockerfile FROM centos:7 ENV foo=42 then I build it docker build -t my_docker . and run it. docker run -it -d my_docker Is it possible to pass arguments from command line and use it with if else in Dockerfile? I mean something like FROM centos:7 if (my_arg==42) {ENV=TRUE} else: {ENV=FALSE} and build with … Read more
In my Dockerfile, I would like to define variables that I can use later in the Dockerfile. I am aware of the ENV instruction, but I do no want these variables to be environment variables. Is there a way to declare variables at Dockerfile scope? 6 Answers 6
I just downloaded Docker Toolbox for Windows 10 64bit today. I’m going through the tutorial. I’m receving the following error when trying to build an image using a Dockerfile. Steps: Launched Docker Quickstart terminal. testdocker after creating it. Prepare Dockerfile as documented in “Build your own image” web link ran below command docker build -t … Read more
In docker I want to do this: git clone XYZ cd XYZ make XYZ However because there is no cd command, I have to pass in the full path everytime (make XYZ /fullpath). Any good solutions for this? 5 Answers 5
Supposed I have a Docker container and a folder on my host /hostFolder. Now if I want to add this folder to the Docker container as a volume, then I can do this either by using ADD in the Dockerfile or mounting it as a volume. So far, so good. Now /hostFolder contains a sub-folder, … Read more
I created a docker image from openjdk:8-jdk-alpine but when I try to execute simple commands I get the following errors: RUN bash /bin/sh: bash: not found RUN ./gradlew build env: can’t execute ‘bash’: No such file or directory 5 Answers 5
