docker-compose dev with same user and group as host

docker-compose.yaml

version: "3"

# to execute this compose for a user and group different than 1000:1000
# UNAME=$(id -un) GNAME=$(id -gn) MY_UID=$(id -u) MY_GID=$(id -g) docker compose up --build

services:
  app:
    tty: true
    build:
      args:
        UID: ${MY_UID}
        GID: ${MY_GID}
        UNAME: ${UNAME:-app}
        GNAME: ${GNAME:-app}
      context: .
    user: ${UNAME:-app}
    volumes:
      - .:/workspace
    working_dir: /workspace

Dockerfile

FROM golang:1.19

RUN apt-get update && apt-get -y install sudo

# get args from docker-compose args: or docker build --build-arg
ARG UNAME
ARG GNAME
ARG UID=1000
ARG GID=1000

# create the group and user
RUN groupadd -g $GID -o $GNAME
RUN useradd -m -u $UID -g $GID -o -s /bin/bash $UNAME

# allow sudo and set new files mask to `-rw-r--r--`
RUN adduser $UNAME sudo && umask 0002
# set a password to run sudo commands
RUN echo "${UNAME}:${UNAME}" | chpasswd

up.sh

#!/bin/bash
UNAME=$(id -un) GNAME=$(id -gn) MY_UID=$(id -u) MY_GID=$(id -g) docker compose up $1