Add healthcheck for zebra and update service dependencies in compose

Author: upbqdn

docker/mining/docker-compose.yml

@@ -20,6 +20,12 @@ services:
       - mining
     restart: unless-stopped
     tty: true
+    healthcheck:
+      test: ["CMD-SHELL", "curl -sf http://127.0.0.1:8080/healthy || exit 1"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 90s
 
   redis:
     image: redis:7-alpine
@@ -44,8 +50,10 @@ services:
       - "${STRATUM_PORT:-3333}:${STRATUM_PORT:-3333}"
       - "8080:8080"
     depends_on:
-      - zebra
-      - redis
+      zebra:
+        condition: service_healthy
+      redis:
+        condition: service_started
     networks:
       - mining
     restart: unless-stopped

docker/mining/s-nomp-entrypoint.sh

@@ -11,18 +11,4 @@ if [ "$NETWORK" = "Mainnet" ]; then
     sed -i 's|blockRefreshInterval": 500|blockRefreshInterval": 2000|g' /app/config.json
 fi
 
-echo "Waiting for Zebra RPC to be ready..."
-while true; do
-    RESP=$(curl -s "http://${ZEBRA_HOST}:${ZEBRA_RPC_PORT}" \
-        -X POST \
-        -H "content-type: application/json" \
-        -d '{"jsonrpc":"2.0","id":1,"method":"getinfo","params":[]}' 2>/dev/null)
-    if echo "$RESP" | grep -q result; then
-        echo "Zebra is ready, starting s-nomp..."
-        break
-    fi
-    echo "Zebra not ready, waiting 5s..."
-    sleep 5
-done
-
 exec node init.js