The Compose setup in this post is pretty standard and provides the foundation from which we’ll build up to using some more advanced features as the application grows. Subsequent posts will extend the approach developed here to include frontend and end-to-end testing, and then to multiple services. finally, run npm test in the container!.see how to set up and connect to separate databases for development and test, and.write shell scripts to automate some repetitive docker-compose commands,.set up a node.js service and a database for development with Docker Compose,.cover some (opinionated) background on web application testing,.
In this post, we’ll start with the backend, which is a small node.js service that provides a RESTful API for managing the task list. Here’s what it will look like when finished, at the end of the series: To illustrate, we’ll build and test an example application: a small TODO list manager. Fortunately, Docker and Docker Compose provide tools that can help. It boils down to running npm test in a Docker container, which may not seem like it should require multiple blog posts! However, as an application gets more complicated and requires more kinds of testing, such as frontend testing and end-to-end testing across multiple services, getting to npm test can be nontrivial. This post is the first in a short series about automated testing in node.js web applications with Docker. #0 22.My last post covered the basics of how to get a node.js application running in Docker. #0 22.90 npm ERR! Error: EACCES: permission denied, open '/usr/app/package-lock.json' #0 22.90 npm ERR! path /usr/app/package-lock.json #0 22.90 npm notice Run `npm install -g to update! #0 22.90 npm notice New major version of npm available! 8.19.4 -> 9.6.4 Here's the issue that I encounter during the build phase: #0 22.90 npm notice Here's my problematic docker code: FROM node:16.20.0-alpine3.17 Hi I am currently learning Docker and I am wondering why my code does return an error, although it is already resolved but I am just skeptical on why I am facing this issue.
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