finally a good local docker setup fitting production Dockerfile

dockerfiles/unitopia_dev.dockerfile

@@ -0,0 +1,55 @@
+# Dockerfile for webmud3 (dev version!!!)
+
+# docker build -f dockerfiles/unitopia_dev.dockerfile -t myonara/webmud3:develop --progress-plain .
+
+# Stage 1: Build the application in a monorepo structure
+FROM node:22.20.0-alpine AS builder
+
+# Set the working directory
+WORKDIR /app
+
+# To leverage Docker layer caching, we first copy over all package.json files
+# from the monorepo. This ensures that 'npm ci' has the full context of all
+# workspaces and their dependencies.
+COPY package.json package-lock.json ./
+COPY shared/package.json shared/
+COPY backend/package.json backend/
+COPY frontend/package.json frontend/
+
+# Install all dependencies for the entire monorepo
+RUN npm ci
+
+# Copy the rest of the source code
+COPY . .
+
+# Run the production build. This should build all workspaces (frontend, backend, shared).
+# The --if-present flag prevents errors if the script doesn't exist.
+RUN npm run build --if-present
+
+# This is the implementation of the step from your Azure workflow.
+# It's a workaround to make the 'shared' package available to the backend at runtime
+# without publishing it to a package registry.
+RUN mkdir -p backend/dist/node_modules/@webmud3 && \
+    cp -r shared/dist backend/dist/node_modules/@webmud3/shared && \
+    cp shared/package.json backend/dist/node_modules/@webmud3/shared/
+# This step creates a production-only node_modules folder directly within the
+# backend's distribution folder, mirroring the Azure deployment process.
+RUN cd backend/dist && npm install --omit=dev
+
+# Stage 2: Create the final production image
+FROM node:22.20.0-alpine
+
+WORKDIR /app
+
+# Set default environment variables based on the README
+ENV NODE_ENV=production HOST=0.0.0.0 PORT=5000 TELNET_HOST=127.0.0.1 TELNET_PORT=23 TELNET_TLS=false SOCKET_ROOT=/socket.io SOCKET_TIMEOUT=900000
+
+# Copy the built backend application, including its production node_modules,
+# from the builder stage.
+COPY --from=builder /app/backend/dist .
+
+EXPOSE 5000
+
+# The command to start the backend server.
+# Note: "main.js" is a common convention, but you may need to adjust this based on your project's entrypoint.
+CMD [ "node", "main.js" ]

dockerfiles/wm3_local_dev.yml

@@ -3,14 +3,17 @@ services:
   web:
     image: myonara/webmud3:develop
     environment: 
+      ENVIRONMENT: 'development'
       NODE_ENV: 'development'
+      NAME: 'webmud3myonara'
       HOST: '0.0.0.0'
       PORT: 5000
-      TELNET_HOST: 'localhost'
-      TELNET_PORT: 3333
-      TELNET_TLS: 'false'
-      SOCKET_ROOT: '/mysocket.io'
+      TELNET_HOST: 'unitopia.de'
+      TELNET_PORT: 9988
+      TELNET_TLS: 'true'
+      SOCKET_ROOT: '/mysocket-local.io'
       SOCKET_TIMEOUT: 900000
+      LOG_LEVEL: 'debug'
     deploy:
       replicas: 1
       resources:
@@ -20,14 +23,14 @@ services:
       labels:
         com.docker.lb.hosts: www.unitopia.de
         com.docker.lb.network: webnet
-        com.docker.lb.port: 2018
+        com.docker.lb.port: 5000
       restart_policy:
         condition: on-failure
         delay: 20s
         max_attempts: 2 
         window: 3600s
     ports:
-      - "2018:5000"
+      - "5000:5000"
     networks:
       - webnet
 networks: