Add Mac client mode and simplify local proxy UI

scripts/install-macos-client.sh

@@ -0,0 +1,78 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+INSTALL_DIR="${VPN_PROXY_INSTALL_DIR:-$HOME/.vpn-proxy-client}"
+REPO_URL="${VPN_PROXY_REPO_URL:-https://git.dokops.ru/dokril/vpn-proxy.git}"
+BRANCH="${VPN_PROXY_BRANCH:-master}"
+COMPOSE_FILE="docker-compose.client.yml"
+
+log() {
+  printf '[vpn-proxy-client] %s\n' "$*"
+}
+
+die() {
+  printf '[vpn-proxy-client] error: %s\n' "$*" >&2
+  exit 1
+}
+
+need() {
+  command -v "$1" >/dev/null 2>&1 || die "$1 is required"
+}
+
+if [[ "$(uname -s)" != "Darwin" ]]; then
+  die "this installer is intended for macOS"
+fi
+
+need git
+need docker
+
+docker compose version >/dev/null 2>&1 || die "Docker Compose plugin is required"
+docker info >/dev/null 2>&1 || die "Docker Desktop is not running"
+
+if [[ -d "$INSTALL_DIR/.git" ]]; then
+  log "updating $INSTALL_DIR"
+  git -C "$INSTALL_DIR" fetch origin "$BRANCH"
+  git -C "$INSTALL_DIR" checkout "$BRANCH"
+  git -C "$INSTALL_DIR" pull --ff-only origin "$BRANCH"
+else
+  log "cloning $REPO_URL#$BRANCH to $INSTALL_DIR"
+  mkdir -p "$(dirname "$INSTALL_DIR")"
+  git clone --branch "$BRANCH" "$REPO_URL" "$INSTALL_DIR"
+fi
+
+cd "$INSTALL_DIR"
+
+if [[ ! -f .env && -f .env.example ]]; then
+  cp .env.example .env
+fi
+
+log "building and starting Docker client"
+docker compose -f "$COMPOSE_FILE" up -d --build
+
+cat <<'EOF'
+
+VPN Proxy Client is running.
+
+UI:
+  http://127.0.0.1:3456
+
+Proxy:
+  HTTP/SOCKS5 127.0.0.1:8080
+
+Useful commands:
+  cd ~/.vpn-proxy-client
+  docker compose -f docker-compose.client.yml logs -f
+  docker compose -f docker-compose.client.yml restart
+  docker compose -f docker-compose.client.yml down
+
+Optional macOS system proxy example:
+  networksetup -setwebproxy Wi-Fi 127.0.0.1 8080
+  networksetup -setsecurewebproxy Wi-Fi 127.0.0.1 8080
+  networksetup -setsocksfirewallproxy Wi-Fi 127.0.0.1 8080
+
+Disable later:
+  networksetup -setwebproxystate Wi-Fi off
+  networksetup -setsecurewebproxystate Wi-Fi off
+  networksetup -setsocksfirewallproxystate Wi-Fi off
+
+EOF