Christomatt
74 lines
1.7 KiB
Bash
Executable File
74 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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# Synapsis Docker Entrypoint Script
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# Handles automatic port detection when PORT=auto
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set -e
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# Default port range for auto-detection
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PORT_START=${PORT_START:-3000}
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PORT_END=${PORT_END:-3020}
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# Function to check if a port is available
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check_port_available() {
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local port=$1
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if ! nc -z localhost "$port" 2>/dev/null; then
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return 0 # Port is available
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else
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return 1 # Port is in use
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fi
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}
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# Function to find first available port in range
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find_available_port() {
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local start=$1
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local end=$2
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for port in $(seq "$start" "$end"); do
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if check_port_available "$port"; then
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echo "$port"
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return 0
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fi
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done
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echo "ERROR: No available ports found in range $start-$end" >&2
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return 1
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}
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# Handle PORT=auto
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if [ "${PORT}" = "auto" ]; then
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echo "🔍 PORT=auto detected, scanning for available port in range ${PORT_START}-${PORT_END}..."
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DETECTED_PORT=$(find_available_port "$PORT_START" "$PORT_END")
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if [ $? -ne 0 ]; then
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echo "❌ Failed to find an available port. Exiting."
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exit 1
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fi
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export PORT="$DETECTED_PORT"
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echo "✅ Using automatically detected port: $PORT"
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else
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echo "📡 Using configured port: $PORT"
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fi
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# Ensure PORT is set
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if [ -z "$PORT" ]; then
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echo "⚠️ PORT not set, defaulting to 3000"
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export PORT=3000
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fi
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# Write port to shared file for Caddy to read
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SHARED_PORT_FILE="/var/run/synapsis/port"
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mkdir -p "$(dirname "$SHARED_PORT_FILE")"
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echo "$PORT" > "$SHARED_PORT_FILE"
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echo "📝 Port $PORT written to $SHARED_PORT_FILE"
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# Export HOSTNAME for Next.js
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export HOSTNAME="0.0.0.0"
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echo "🚀 Starting Synapsis on port $PORT..."
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echo ""
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# Start the Next.js application
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exec node server.js
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