Run API as an API-only cluster

.env.example

@@ -19,6 +19,7 @@ API_PORT=3334
 # Keep API_BIND_HOST as 127.0.0.1 when a reverse proxy terminates public traffic.
 API_BIND_HOST=127.0.0.1
 API_PUBLIC_PORT=3334
+API_WORKERS=4
 
 # Plain TCP Stratum ports accept both SV1 JSON-RPC and SV2 Noise/binary traffic.
 STRATUM_PORTS=3333,3332,3331,3330

docker-compose.external-db.yml

@@ -50,6 +50,7 @@ services:
       REDIS_URL: ${REDIS_URL:-redis://redis:6379}
       API_PORT: ${API_PORT:-3334}
       API_SECURE: ${API_SECURE:-false}
+      API_WORKERS: ${API_WORKERS:-4}
       PM2_ENABLED: ${PM2_ENABLED:-true}
       STRATUM_WORKERS: ${STRATUM_WORKERS:-2}
       STRATUM_PORTS: ${STRATUM_PORTS:-3333,3332,3331,3330}

docker-compose.yml

@@ -79,6 +79,7 @@ services:
       REDIS_URL: redis://redis:6379
       API_PORT: ${API_PORT:-3334}
       API_SECURE: ${API_SECURE:-false}
+      API_WORKERS: ${API_WORKERS:-4}
       PM2_ENABLED: ${PM2_ENABLED:-true}
       STRATUM_WORKERS: ${STRATUM_WORKERS:-2}
       STRATUM_PORTS: ${STRATUM_PORTS:-3333,3332,3331,3330}

ecosystem.config.js

@@ -4,8 +4,8 @@ module.exports = {
       {
         name: 'api',
         script: './dist/main.js',
-        instances: 1,
-        exec_mode: 'fork',
+        instances: parseInt(process.env.API_WORKERS || '4', 10),
+        exec_mode: 'cluster',
         env: {
           MASTER: 'false',
           API_ONLY: 'true',

full-setup/docker-compose-mainnet.yml

@@ -97,6 +97,7 @@ services:
       DB_PASSWORD: public_pool
       DB_DATABASE: public_pool_mainnet
       REDIS_URL: redis://redis:6379
+      API_WORKERS: ${API_WORKERS:-4}
       PM2_ENABLED: "true"
       STRATUM_WORKERS: ${STRATUM_WORKERS:-2}