I am new to docker and this is just a fascinating tool. However, I can't understand one thing about it. Simple Dockerfile usually begins with OS name and version, like: FROM ubuntu:xenial .... But which Linux OS will be used…
ERROR: Service 'remote_host' failed to build: The command '/bin/sh -c echo "1234" | passwd remote_user --stdin' returned a non-zero code: 127 FROM centos RUN yum -y install openssh-server RUN useradd remote_user RUN echo "1234" | passwd remote_user --stdin RUN mkdir…
First of all, I would like to say that I'm new to Docker and all that is around it. I have been wanting to make a container where I have Apache, php and Firebird installed. So far, so good ;…
I'm building an image from the following Dockerfile and following command docker build --rm -f "Dockerfile" -t non_root_image_plz_work .: DockerFile FROM node:14.7.0-buster-slim AS apache_for_selenium # Create non-root group and user RUN addgroup --system shared-folder && adduser --system --home /var/cache/shared-folder --group…
I am trying to learn Docker and I am on Oracle VMware on CentOS8. I am trying to build a Dockerfile. Here is the content of the file Dockerfile: FROM centos RUN yum -y install httpd When I build, it…
I have an java spring / hibernate application and I cant create a connection beween the mysql and java containers. When I start just the mysql Container and run the java application manualy in CMD it works fine. But once…
I'm installing nginx on top of an fpm-stretch based php docker image, copy some configuration and then run nginx -t in the Dockerfile. That one fails with nginx: [emerg] open() "/tmp/nginx.pid" failed (13: Permission denied). The configuration contains pid /tmp/nginx.pid;.…
I have created a simple tech stack using Docker. PHP 7.2 on CentOS. Below is the docker file FROM centos:7 # Install Apache RUN yum -y update RUN yum -y install httpd httpd-tools # Install EPEL Repo RUN rpm -Uvh…
Example: version: ‘2’ services: mysql: image: mysql:8.0 I see two parts in the image value, Example: flask-redis:1.0 or mysql:8.0. This is understood that the second part is the Version. However, in one tutorial I just found the image section is…
I am using docker on my CentOS Linux release 7.8.2003 (Core) with 16 GB RAM. My docker version is Docker version 19.03.7. Docker-compose version is docker-compose version 1.23.2. I have 30+ docker containers running on my machine. Everything was working…