我有以下 Docker 文件。
#Dockerfile
FROM node:alpine
WORKDIR /backend
COPY package*.json .
RUN yarn
COPY . .
EXPOSE 5000
CMD ["yarn", "dev"]
Nodemon在主机上按预期工作,但在运行容器时会显示以下错误消息。
yarn run v1.22.5
$ nodemon
/bin/sh: nodemon: not found
error Command failed with exit code 127.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
Nodemon未在主机上全局安装。 在Dockerfile中添加RUN yarn add global nodemon
只会在容器错误中添加额外的warning ../package.json: No license field
。
我当前拥有以下package.json文件,并具有以下开发依赖项。
# package.json
...
"scripts": {
"build": "tsc -p .",
"start": "node ./dist/src/index.js",
"dev": "nodemon",
"test": "echo \"Error: no test specified\" && exit 1"
},
"devDependencies": {
"@types/express": "^4.17.11",
"@types/node": "^14.14.34",
"nodemon": "^2.0.7",
"ts-node": "^9.1.1",
"typescript": "^4.2.3"
},
...
同时还有nodemon.json文件
{
"watch": [
"src"
],
"ext": "ts,json",
"ignore": [
"src/**/*.spec.ts"
],
"exec": "yarn ts-node src/index.ts"
}
node_modules
目录,这会导致Docker忽略package.json
文件中的更改。) - David Maze