i saw a stackoverflow answer where immutable tags are mentioned and googled further to understand what they exactly are, found a article where they said A static, or immutable, tag always points to the same image. This is useful when…
Is there any advantage to layer cache invalidation by using ADD instead of RUN? Background I frequently see Dockerfiles that install wget or curl just to RUN wget … or RUN curl … to install some dependency that cannot be…
Looking at the Redis image, https://hub.docker.com/_/redis, it says that it supports Arm64. However when I run the image on a Mac M1, it shows an AMD64 warning badge (i.e. poor performance due to Rosetta emulation) How do I specify the…
I'm trying to create a simple docker project and connect PHP and Nginx containers for a test. but i got this error : Building php Sending build context to Docker daemon 2.048kB Step 1/1 : FROM php:latest ---> 52cdb5f30a05 Successfully…
I made a Dockerfile, but when I run it and enter the container, the php8.0-fpm service is not running. How do I make it run at build time? Note that I run the command service php8.0-fpm start in the Dockerfile…
I'm trying to download NuGet packages on Docker (Linux) for a .NET 6 application behind a corporate proxy ARG netVersion=6.0 FROM mcr.microsoft.com/dotnet/sdk:${netVersion} AS build-env WORKDIR /app COPY company-root-ca.crt /usr/local/share/ca-certificates/company-root-ca.crt RUN update-ca-certificates COPY App/*.csproj . RUN dotnet restore --configfile nuget.config The…
Let's say I want to create two services: The first one on port 5000 The second one on port 7000 So I create docker-compose.yml file version: "3" services: project-server: build: . ports: - "5000:5000" environment: - PORT=5000 depends_on: - mongo…
I am trying to build my own docker image for apache2 and PHP. Can anyone tell my why my container exits after run when it supposes to run ["apache2ctl", "-D", "FOREGROUND"]? FROM ubuntu:latest RUN apt update -y && apt upgrade…
I have a Github Action to build image from a Dockerfile located in the same repo with the Github Action. In the Dockerfile I use sensitive data so I chose to use Github Secrets. Here is my Dockerfile: From python:3.9.5…
I am running docker container Nginx, there are some errors in it, I cannot exec into the container because it is stopped, how can I exec into the stopped container. How to avoid the container stopping, if there exists an…