no entry file inside docker image

[andrewkslv]

Docker can't find server.js file inside the image. The way to reproduce:

$ node tools/publish.js foobar
$ docker run -p 8080:8080 api

response:

Error: Cannot find module '/usr/src/app/build/server.js'
    at Function.Module._resolveFilename (module.js:527:15)
    at Function.Module._load (module.js:453:25)
    at Function.Module.runMain (module.js:665:10)
    at startup (bootstrap_node.js:201:16)
    at bootstrap_node.js:626:3

[koistya]

Try running this:

$ docker-compose run --rm --no-deps api yarn        # Install Node.js dependencies
$ docker-compose run --rm --no-deps api yarn build  # Compile the app into ./build
$ docker build --no-cache --tag api .               # Build the production "api" image
$ docker run --rm -p 8080:8080 api                  # Check if it works
$ docker run --rm api ls /usr/src/app/build         # Show the files inside the image

[koistya]

@eclipticwld the current setup expects you to build the app first, then run docker build command that copies all the compiled output into the image (COPY . .), see Dockerfile. It is possible though to tweak Dockerfile so that it would build the app during image compilation and then prune non-production dependencies. Please, let me know if the later workflow works better for you.

[andrewkslv]

Thank you @koistya! That was helpful to move forward.