I am reading the official Docker docs, and it is unclear to me how many layers will be created for the below dockerfile. # syntax=docker/dockerfile:1 FROM ubuntu:18.04 LABEL org.opencontainers.image.authors="[email protected]" COPY . /app RUN make /app RUN rm -r $HOME/.cache CMD…
I have a dockerized php application. I want to set the version and the buildTime as a env variable from a file called version VERSION=$(head -n 1 version) buildTime=$(head -2 version | tail -1) The problem that it consider the…
FROM ubuntu:20.04 ENV DEBIAN_FRONTEND=noninteractive RUN apt-get update WORKDIR /home/ RUN mkdir folder1 COPY /home/folder1/* /home/folder1 RUN mkdir folder2 COPY /home/folder2/* /home/folder2 i have written the above to copy 2 folders from my pc to a docker container using this dockerfile.…
When my Ubuntu Docker container is started, I want SSH server to be running and the container should not quit immediately until I run docker stop $container_id Is there any difference between these 3 ENTRYPOINT? Is there a better way…
I have a docker file like this which runs a hello-world FastAPI app. FROM python:3.10.9-alpine3.16 RUN adduser -D app USER app WORKDIR /usr/src/app COPY . . RUN pip install --no-cache-dir -r requirement.txt CMD [ "python", "./main.py" ] I am running…
Here is a snippet of my Dockerfile: ENV LOG_AS_JSON=false ENV JAVA_OPTS="-Djson.logging=$LOG_AS_JSON" When I try to pass the variable with the following command it is still set to the default value 'false': docker run --detach --publish 8080:8080 --env LOG_AS_JSON=true --name app-json…
I need to use a standard Alpine docker image and install a specific version of Node and NPM. Heres is my attempt so far: FROM alpine:3.17.2 RUN apk update RUN apk upgrade RUN apk add bash git helm openssh yq…
I am trying to build a docker image by: docker-compose up —build But I get the error: => ERROR [runtime-image 3/6] RUN apt-get update -y 1.0s ------ > [runtime-image 3/6] RUN apt-get update -y: ……….(successfully updating until here)……. #0 0.591…
I have been trying to build a golang docker image for my application, but I can't get any of the images to build: I have tried theese two Dockerfiles: FROM golang:1.20 WORKDIR /app COPY go.mod ./ COPY go.sum ./ RUN…
I find that following Dockerfile builds fine (on Ubuntu 22.10), finding all the right packages: FROM node:18.15.0 ENV DEBIAN_FRONTEND noninteractive RUN apt-get update && apt-get install -y --no-install-recommends build-essential chromium chromium-sandbox && apt-get clean && rm -rf /var/lib/apt/lists/* Obviously this…