sudo adduser epostolit --ingroup docker

echo 'export DOCKER_HOST=unix:///run/user/$(id -u)/docker.sock' | sudo tee -a /home/tpanov/.bashrc
echo 'export PATH=/home/$(whoami)/bin:$PATH' | sudo tee -a /home/tpanov/.bashrc
sudo mkdir /home/tpanov/.ssh
echo 'ssh-ключ' | sudo tee -a /home/tpanov/.ssh/authorized_keys


--------------

#!/usr/bin/env bash
set -euo pipefail

USER_NAME=""
SSH_PUBLIC_KEY=""

HOME_DIR="/home/${USER_NAME}"
BASHRC="${HOME_DIR}/.bashrc"
SSH_DIR="${HOME_DIR}/.ssh"
AUTHORIZED_KEYS="${SSH_DIR}/authorized_keys"

DOCKER_HOST_LINE='export DOCKER_HOST=unix:///run/user/$(id -u)/docker.sock'
PATH_LINE='export PATH=$HOME/bin:$PATH'


USER_PASSWORD="$(openssl rand -base64 24)"

if ! id "${USER_NAME}" &>/dev/null; then
    sudo adduser \
        --ingroup docker \
        --gecos "" \
        --disabled-password \
        "${USER_NAME}"

    echo "${USER_NAME}:${USER_PASSWORD}" | sudo chpasswd
fi

sudo install -d \
    -m 700 \
    -o "${USER_NAME}" \
    -g "${USER_NAME}" \
    "${SSH_DIR}"

if ! sudo grep -qxF "${SSH_PUBLIC_KEY}" "${AUTHORIZED_KEYS}" 2>/dev/null; then
    echo "${SSH_PUBLIC_KEY}" | sudo tee -a "${AUTHORIZED_KEYS}" >/dev/null
fi

sudo chown "${USER_NAME}:${USER_NAME}" "${AUTHORIZED_KEYS}"
sudo chmod 600 "${AUTHORIZED_KEYS}"

# =========================
# BASHRC CONFIG
# =========================
grep -qxF "${DOCKER_HOST_LINE}" "${BASHRC}" || \
    echo "${DOCKER_HOST_LINE}" | sudo tee -a "${BASHRC}" >/dev/null

grep -qxF "${PATH_LINE}" "${BASHRC}" || \
    echo "${PATH_LINE}" | sudo tee -a "${BASHRC}" >/dev/null

sudo chown "${USER_NAME}:${USER_NAME}" "${BASHRC}"

# =========================
# OUTPUT
# =========================
echo "✅ User configured successfully"
echo
echo "User:     ${USER_NAME}"
echo "Password: ${USER_PASSWORD}"