Docker Compose : invalid from flag value builder: - docker

Question

Hello I'm trying to make a dockercompose, but I have the following error:
invalid from flag value builder: pull access denied for builder,
repository does not exist or may require 'docker login': denied:
requested access to the resource is denied
I can't imagine where I might be missing
my docker-compose file:
version: "3.7"
services:
db:
image: postgres:12
restart: always
container_name: "db"
ports:
- "${DB_PORT}:5432"
volumes:
- db_data:/var/lib/postgresql/data
environment:
POSTGRES_USER: ${DB_USER}
POSTGRES_PASSWORD: ${DB_PASS}
POSTGRES_DB: ${DB_NAME}
pgadmin:
image: dpage/pgadmin4
restart: always
container_name: "pgadmin4"
depends_on:
- db
ports:
- 5050:80
environment:
PGADMIN_DEFAULT_EMAIL: emasa#emasa.com
PGADMIN_DEFAULT_PASSWORD: admin
api:
image: server_emasa
container_name: api
restart: always
depends_on:
- db
ports:
- "${SERVER_PORT}:${SERVER_PORT}"
volumes:
db_data:
my DockerFile:
FROM node as builder
WORKDIR usr/app
COPY package*.json ./
COPY --from=builder /usr/app/dist ./dist
COPY ormconfig.docker.json ./ormconfig.json
COPY .env .
RUN yarn install
RUN yarn run build
COPY back-end/ ./
EXPOSE 4000
and my env file:
SERVER_PORT = 4000
DB_HOST = 0.0.0.0
DB_PORT = 5432
DB_USER = spirit
DB_PASS = emasa
DB_NAME = emasa_base
my json orm config:
{
"type": "postgres",
"host": "${DB_HOST}",
"port": "${DB_PORT}",
"username": "${DB_USER}",
"password": "${DB_PASS}",
"database": "${DB_NAME}",
"synchronize": true,
"logging": false,
"entities": ["src/entity/**/*.ts"],
"migrations": ["src/migration/**/*.ts"],
"subscribers": ["src/subscriber/**/*.ts"],
"cli": {
"entitiesDir": "src/entity",
"migrationsDir": "src/migration",
"subscribersDir": "src/subscriber"
}
}
my folder structure:

Answer 1

When using COPY you are able to use --from to refer to some previous build stage or to some external image. Since builder is your current build stage Docker is thinking that your --from=builder refers to some external image and therefore gives you that error. Check again if your Dockerfile is correct.
Let's start with the basics. Try:
FROM node as builder
WORKDIR usr/app
COPY . .
RUN yarn install
RUN yarn run build
EXPOSE 4000