update worker Docker

Author: HenryHengZJ

docker/worker/Dockerfile

@@ -4,7 +4,7 @@ RUN apk add --update libc6-compat python3 make g++
 # needed for pdfjs-dist
 RUN apk add --no-cache build-base cairo-dev pango-dev
 
-# Install Chromium
+# Install Chromium and curl for container-level health checks
 RUN apk add --no-cache chromium curl
 
 #install PNPM globaly
@@ -25,6 +25,7 @@ RUN pnpm install
 RUN pnpm build
 
 # --- Healthcheck Setup ---
+    
 WORKDIR /app/healthcheck
 
 COPY docker/worker/healthcheck/package.json . 
@@ -38,7 +39,11 @@ COPY docker/worker/healthcheck/healthcheck.js .
 # Set the main working directory back
 WORKDIR /usr/src
 
-EXPOSE 3000
+# Environment variables for port configuration
+ENV PORT=3000
 
-# Start healthcheck in background and flowise in foreground
+# Expose port (can be overridden by env var)
+EXPOSE ${PORT}
+
+# Start healthcheck in background and flowise worker in foreground
 CMD ["/bin/sh", "-c", "node /app/healthcheck/healthcheck.js & sleep 5 && pnpm run start-worker"]

docker/worker/Dockerfile.worker

@@ -18,7 +18,7 @@ Here’s an overview of the process:
 
 ## Setting up Worker:
 
-1. Copy paste the same `.env` file used to setup main server. Change the `PORT` to other available port numbers. Ex: 5566
-2. `docker compose up -d`
-3. Open [http://localhost:5566](http://localhost:5566)
+1. Navigat to `docker/worker` folder
+2. Copy paste the same `.env` file used to setup main server. Change the `PORT` to other available port numbers. Ex: 5566
+3. `docker compose up -d`
 4. You can bring the worker container down by `docker compose stop`

docker/worker/README.md

@@ -2,7 +2,7 @@ version: '3.1'
 
 services:
     flowise:
-        image: flowiseai/flowise
+        image: flowiseai/flowise-bullmq-worker:latest
         restart: always
         environment:
             - PORT=${PORT}
@@ -125,6 +125,12 @@ services:
             - ENABLE_BULLMQ_DASHBOARD=${ENABLE_BULLMQ_DASHBOARD}
         ports:
             - '${PORT}:${PORT}'
+        healthcheck:
+            test: ['CMD', 'curl', '-f', 'http://localhost:${PORT}/healthz']
+            interval: 10s
+            timeout: 5s
+            retries: 5
+            start_period: 30s
         volumes:
             - ~/.flowise:/root/.flowise
-        entrypoint: /bin/sh -c "sleep 3; flowise worker"
+        entrypoint: /bin/sh -c "sleep 3; pnpm run start-worker"

docker/worker/docker-compose.yml

@@ -1,7 +1,7 @@
-// docker/healthcheck/healthcheck.js
 const express = require('express')
 const app = express()
-const port = 3000
+
+const port = process.env.PORT || 3000
 
 app.get('/healthz', (req, res) => {
     res.status(200).send('OK')