use CMD to run npm start (port 3000) and node. server server.js (port 8080) in Dockerfile Dockerfile: FROM node:8.9-alpine ENV NODE_ENV production WORKDIR usr src app COPY ["package.json", "package-lock.json*", "npm-shr...

for example, if there is a business program that has a Conf file with some configuration of the service ip, database address, how can it be specified when running the container? Or do you have to have a separate configuration file and then copy the new ...

ADD eureka-server-0.0.1-SNAPSHOT.jar app.jar RUN bash-c touch app.jar what is the meaning and purpose of this line of RUN bash-c touch app.jar command? ...

one thing I don t understand when using docker: is there any difference between pull a mysql from an official image and then run it on my machine? is there any difference between using Dockerfile to first pull a centos image and then installing a mysql...

just write a simple mysql service < H1 > docker-compose.yml < H1 > version: 3 services: mysql: image: mysql:5.7 volumes: - . mysql data: var lib mysql - . mysql my.cnf: etc mysql conf.d my.cnf ports: - 3306:3306 ...

We all know that when writing Dockerfile , there is only one FROM instruction that indicates the parent image on which it depends. I now build my own image through the nginx image, which is called my-nginx . so, can I build a new image through...

I want to write an environment variable passed by dockerfile, through docker run. I can customize and generate some files and generate some specific content such as environment variable I pass a json { nodes:{ node1:{ ip:xxx.xx.1...

Dockerfile file: -sharpnode FROM node:8.9-alpine -sharp MAINTAINER test -sharpapp ADD . app -sharpappcd WORKDIR app -sharp RUN npm install -sharp EXPOSE 3000 -sharp CMD ["npm", "start"] after executing docker build-t dock...

when you start docker from the server, it also starts the previous container, causing some problems. how to clear the container without enabling docker? one way is to uninstall Docker and reinstall it. how to clear it without uninstalling it? ...

problem description: 1. I ran my PHP project in the container. At the beginning, the container was bound with 127.0.0.1 8080, but. I accessed through the browser: localhost:8080 did not access the server. 2. Then, in the container, I bind 0. 0. 0. 0...

I ran a container using mattrayner lamp in docker hub, exposing ports 3306 and 8081 for external use. When using navicat to try to connect to mysql Times error: 2003-cant t connect to mysql server on ip (10061 "unknown error ") dockerfiledocker-c...

problem description install sentry with this library and find that Dockerfile is FROM sentry:9.0-onbuild docker-compose build uses this Dockerfile, but I can t find this library on docker hub (docker pull can be pulled). What s the reason? Is ...

I have a docker-compose.yml file in directory a, and then I start the container with docker-compose up, and then I want to migrate the Docker Compose to directory b for management. what should I do? as a beginner of Docker, I don t quite understand t...