Application Crashing When Using bcrypt's compare function on node docker image

[rubemarjrtech]

Title:
Application Crash with bcrypt's compare function on node docker image

Description:
I ran into an issue where my application crashes when using the compare function from bcrypt on the node Docker image.
Here are the details:

Steps to Reproduce:
Use the node Docker image in a Node.js application.
Utilize bcrypt's compare function to compare hashed passwords.
Observe the application crash upon invoking the compare function.

Expected Behavior:
The application should successfully execute the compare function without crashing.

Actual Behavior:
The application crashes when calling the compare function without throwing any specific error.

Additional Details:

Dockerfile:

FROM node

WORKDIR /home/app

COPY package*.json ./

RUN npm install

COPY . .

EXPOSE 4000

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

and this is my docker-compose.yml:

version: '3'

networks:
   local:

services:
   mysql:
      container_name: mysqldb
      image: mysql:8
      environment:
         MYSQL_DATABASE:
         MYSQL_USER:
         MYSQL_PASSWORD:
         MYSQL_ROOT_PASSWORD:
      networks:
         - local
      ports:
         - '3306:3306'

   app:
      depends_on:
         - mysql
      container_name: blog-api
      build:
         context: .
         dockerfile: Dockerfile
      environment:
         DB_HOST:
         DB_USERNAME:
         DB_PASSWORD:
         DB_DATABASE:
      volumes:
         - ./:/home/app
      ports:
         - '4000:4000'
      networks:
         - local

I read on this issue it could be a library mismatch, but I tried using a .dockerignore file and nothing changed.

Any suggestion on what I could do?

[kopax]

same problem here node:20-alpine, any workaround please?

[segadora]

use 5.1.0

[rubemarjrtech]

same problem here node:20-alpine, any workaround please?

what I did to fix this problem was:

• changed docker-compose, from version '3' to version: '3.5'
• Dockerfile first COPY step to COPY ./package.json .
• added a volume for node_modules, so following my own post it would be:

volumes:
- ./:/home/app
- /home/app/node_modules

instead of just:

volumes:
- ./:/home/app

and ran docker-compose build before docker-compose up

[stepskop]

same problem with hashSync() when built on node:20-alpine

[rubemarjrtech]

same problem with hashSync() when built on node:20-alpine

look at my answer above your comment and see if anything I changed in my compose file helps you.

[stepskop]

same problem with hashSync() when built on node:20-alpine

look at my answer above your comment and see if anything I changed in my compose file helps you.

I understand the problem, there is some library mismatch on alpine images. One solutions is using hosts node_modules, but that its is not viable solution when you dont build the project on host but inside of another container running alpine, speaking of some CI/CD stuff etc.

In my case i used version 5.10, which is fine.

[mmgroner]

I had the same issue, installing version 5.1.0 fixed it.

[safra36]

if anyone still having this issue, using docker image node:20.10.0 and bcrypt version 5.1.0 fixed the issue