exited with 127 errror when building docker image

[Antonio Tokic]

I'm getting the following error when I try to build docker image:

"ERROR: "prod" exited with 127."

Command to build docker image:

docker build -t Dashboard -f Dockerfile ../../

Here's how my Dockerfile looks like and as you can see, it is pretty straightforward:

FROM node:16.14.0-alpine as script
WORKDIR /src
COPY ["spa/Javascript-Script-v.2.0/","spa/Javascript-Script-v.2.0/"]  
WORKDIR "/src/spa/Javascript-Script-v.2.0"
RUN npm install
RUN npm run build

package.json:

{
  "name": "javascript-script-v.2.0",
  "version": "2.0.0",
  "description": "",
  "main": "./src/script.js",
  "scripts": {
    "build": "npm-run-all prepare prod clean",
    "prepare": "grunt build",
    "prod": "npx google-closure-compiler --js=./src/source.js --js_output_file=./dist/script.js",
    "clean": "grunt cleanup"
  },
  "author": "",
  "license": "ISC",
  "devDependencies": {
    "google-closure-compiler": "20221102.0.1",
    "grunt": "^1.0.4",
    "grunt-contrib-clean": "^2.0.0",
    "grunt-contrib-concat": "^1.0.1",
    "grunt-include-replace": "^5.0.0",
    "grunt-wrap": "^0.3.1",
    "npm-run-all": "^4.1.5"
  },
  "dependencies": {
    "JSON2": "^0.1.0",
    "crypto-js": "^4.0.0"
  }
}

When I try to run npm run build directly on my windows machine, everything works like a charm.

[Chad Killingsworth]

To get better logging, I would recommend invoking the compiler directly from the DOCKERFILE rather than wrapping it with an NPM script. Try RUN npx google-closure-compiler --js=./src/source.js --js_output_file=./dist/script.js and see what happens.

Normally issues like this have to do with the container OS or permissions.

[Antonio Tokic]

Thank you for your reply.

I did exactly what you suggested but didn't get any useful info from the logging.

 => ERROR [script 7/8] RUN npx google-closure-compiler  --js=./src/source.js  --js_output_file=./dist/script.js                                                                                                                 2.0s
------
 > [script 7/8] RUN npx google-closure-compiler  --js=./src/source.js  --js_output_file=./dist/script.js:
------
executor failed running [/bin/sh -c npx google-closure-compiler  --js=./src/source.js  --js_output_file=./dist/script.js]: exit code: 127

Google says that exit code: 127 indicates command not found but not sure what is root cause of this problem.

[Chad Killingsworth]

Can you make sure that npx itself is installed and working in the docker container? Try some other package and show that functioning.

[Antonio Tokic]

Please find the screenshot below as a proof that npx itself works fine in the docker container.

[Chad Killingsworth]

This may be related to #280.

[Chad Killingsworth]

I'm closing this issue for lack of activity.