I want to build my spring boot app with a Postgres db in a docker container with docker compose. I got an error when I build the docker compose container. The spring app cannot connect to the Postgres db. The…
I want to create the docker image for my angular app but I am confused, which latest version of nodejs should I use which should be stable and long time support ? I am thinking of using v17.4.0 FROM node:12.16.1…
Docker version 19.03.12, build 48a66213fe So in a dockerfile, if I have the following lines: RUN yum install aaa bbb ccc && <some cmd> && <etc> && <some cleanup> is that a best practice? Should I keep yum part separate…
I'm running docker engine on windows and am trying to add my own file to the image. Problem is that when I copy the file its ownership is always root:root but it needs to be heartbeat:heartbeat (exisitng user on image).…
We had build a docker image that contains an existing file inside. /opt/app/agent/oneagent. When I test the docker image individually, i can see the file inside the directory. However, when I use it as an initcontainer to mount that directory…
I have the following heroku.yml. The 'containers' share the same Dockerfile: build: docker: web: Dockerfile celery: Dockerfile celery-beat: Dockerfile release: image: web command: - python manage.py migrate users && python manage.py migrate run: web: python manage.py runserver 0.0.0.0:$PORT celery: celery…
I have a .NET microservice running as a docker container that is responsible for sending emails to customers. These emails contains additional banner which is a png file. Should that file be included in my Docker Image during build process?…
I want to use my env variable inside the docker compose file. When I try to run it I get this error for every variable in there like they weren't defined: The password variable is not set. Defaulting to a…
I have Dockerfile: FROM postgres ENV POSTGRES_USER root ENV POSTGRES_PASSWORD root ENV POSTGRES_DB world COPY world.sql /docker-entrypoint-initdb.d/ I run docker build -t postgres, then I create container but it doesn't create database in PG. Does anyone have any idea? world.sql…
I have a directory named docker which contains the following two files: docker: |_Dockerfile |_main.py The Dockerfile looks like this: #Specifying the base image FROM python:3.10 #here the dockerfile is pulling the python 3.10 from docker hub which already has…