Auto-detect public IP for ElectrumX peer announcement

Dockerfile.electrumx

@@ -1,5 +1,8 @@
 FROM lukechilds/electrumx
 
+# Install curl (needed by entrypoint for RPC calls and IP detection)
+RUN apk add --no-cache curl || apt-get update && apt-get install -y --no-install-recommends curl && rm -rf /var/lib/apt/lists/*
+
 # Copy Palladium coin definition and patch ElectrumX
 COPY electrumx-patch/coins_plm.py /tmp/coins_plm.py
 

docker-compose.yml

@@ -59,8 +59,8 @@ services:
       DB_DIRECTORY: "/data"
       PEER_DISCOVERY: "on"
       PEER_ANNOUNCE: "true"
-      # Set this to the server's public IP or hostname (required for peer discovery)
-      # REPORT_HOST: "your.public.ip.or.hostname"
+      # REPORT_SERVICES is auto-detected at startup. Set manually only to override.
+      # REPORT_SERVICES: "tcp://your.public.ip:50001,ssl://your.public.ip:50002"
       INITIAL_CONCURRENT: "2"
       COST_SOFT_LIMIT: "0"
       COST_HARD_LIMIT: "0"

entrypoint.sh

@@ -43,6 +43,22 @@ fi
 # Build DAEMON_URL with extracted credentials
 export DAEMON_URL="http://${RPC_USER}:${RPC_PASSWORD}@palladiumd:${RPC_PORT}/"
 
+# Auto-detect public IP and set REPORT_SERVICES for peer discovery
+if [ -z "$REPORT_SERVICES" ]; then
+    echo "REPORT_SERVICES not set, detecting public IP..."
+    for url in https://icanhazip.com https://ifconfig.me https://api.ipify.org; do
+        PUBLIC_IP=$(curl -sf --max-time 5 "$url" 2>/dev/null | tr -d '[:space:]')
+        if [ -n "$PUBLIC_IP" ]; then
+            export REPORT_SERVICES="tcp://${PUBLIC_IP}:50001,ssl://${PUBLIC_IP}:50002"
+            echo ">> Auto-detected REPORT_SERVICES: ${REPORT_SERVICES}"
+            break
+        fi
+    done
+    if [ -z "$REPORT_SERVICES" ]; then
+        echo ">> WARNING: Could not detect public IP. Peer discovery will not announce this server."
+    fi
+fi
+
 echo "=========================================="
 echo "ElectrumX Configuration"
 echo "=========================================="
@@ -51,6 +67,7 @@ echo "Network: ${NET}"
 echo "RPC User: ${RPC_USER}"
 echo "RPC Port: ${RPC_PORT}"
 echo "DAEMON_URL: http://${RPC_USER}:***@palladiumd:${RPC_PORT}/"
+echo "REPORT_SERVICES: ${REPORT_SERVICES:-not set}"
 echo "=========================================="
 
 # Update TX_COUNT / TX_COUNT_HEIGHT in coins.py from the live node