ERR! enoent ENOENT: no such file or directory, open '/opt/frontend/package.json'-CodePudding

Dockerfile

# Dockerfile
FROM node:12.11.1

# update and install dependency
RUN apt-get update

# copy / target Main Folder
COPY . /opt/frontend

# work in folder
WORKDIR /opt/frontend

# install dependency
RUN npm install

# set app serving to permissive / assigned
# if you do not specify host, you cannot connect from the host
ENV HOST 0.0.0.0

# output port
EXPOSE 3000

CMD [ "npm", "run", "dev" ]

Error:

npm ERR! code ENOENT
npm ERR! syscall open
npm ERR! path /opt/frontend/package.json
npm ERR! errno -2
npm ERR! enoent ENOENT: no such file or directory, open '/opt/frontend/package.json'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent 

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2021-11-15T14_31_01_250Z-debug.log

the build was succesful and read about this error that is package.json is not copy over, but isit this line already copy the main frontend folder everything over ?

# copy / target Main Folder
COPY . /opt/frontend

what i missout ? my github : https://github.com/differentMonster/nuxt3-troisjs

CodePudding user response：

Your are building the image with wrong context. Try this:

cd frontend
docker build . -f ./docker/dev/Dockerfile -t your_app_name

docker build ./frontend -f ./docker/dev/Dockerfile -t your_app_name

You need to specify a context path