docker-start.sh

#!/bin/bash

set -e

ENGINE_LOG_LEVEL=${LOG_LEVEL:-info}

if [ -x /usr/local/bin/nexterm-engine ]; then
    LOCAL_ENGINE_TOKEN=$(head -c 32 /dev/urandom | od -An -tx1 | tr -d ' \n')
    export LOCAL_ENGINE_TOKEN

    echo "[nexterm] Starting server..."
    node server/index.js &
    SERVER_PID=$!

    sleep 2

    mkdir -p /tmp/nexterm-engine
    cat > /tmp/nexterm-engine/config.yaml <<EOF
server_host: "127.0.0.1"
server_port: ${CONTROL_PLANE_PORT:-7800}
registration_token: "$LOCAL_ENGINE_TOKEN"
tls: false
EOF

    STOPPING=false

    start_engine() {
        echo "[nexterm] Starting local engine..."
        cd /tmp/nexterm-engine && /usr/local/bin/nexterm-engine &
        ENGINE_PID=$!
        cd /app
    }

    cleanup() {
        STOPPING=true
        [ -n "$ENGINE_PID" ] && kill "$ENGINE_PID" 2>/dev/null
        [ -n "$SERVER_PID" ] && kill "$SERVER_PID" 2>/dev/null
        wait
        exit 0
    }
    trap cleanup SIGINT SIGTERM

    start_engine

    while true; do
        wait -n $SERVER_PID $ENGINE_PID 2>/dev/null || true

        if ! kill -0 "$SERVER_PID" 2>/dev/null; then
            echo "[nexterm] Server exited, shutting down..."
            cleanup
        fi

        if [ "$STOPPING" = true ]; then
            break
        fi

        if ! kill -0 "$ENGINE_PID" 2>/dev/null; then
            echo "[nexterm] Engine crashed, restarting in 3 seconds..."
            sleep 3
            start_engine
        fi
    done
else
    echo "[nexterm] Starting server..."
    exec node server/index.js
fi