Update Dockerfile

Author: sarpedondev

Dockerfile

@@ -1,34 +1,35 @@
-# Use an older, compatible Node.js image (v10)
+# Use the Node.js v10 image required for the old gitbook-cli
 FROM node:10-alpine
 
 # Set working directory
 WORKDIR /app
 
-# Alpine Linux is used, so we use 'apk' to install git
+# Install git
 RUN apk add --no-cache git
 
-# Install GitBook CLI globally
+# Install the GitBook command line tool
 RUN npm install -g gitbook-cli
 
-# Initialize GitBook by fetching a specific, stable version
+# Tell gitbook-cli to download the stable 3.2.3 engine
 RUN gitbook fetch 3.2.3
 
-# Copy your documentation files to the container
+# Copy your local files (book.json, markdown, etc.) into the container
 COPY . .
 
-# Create a default book.json if one doesn't exist
-RUN if [ ! -f "book.json" ]; then \
-        echo '{"title": "My Documentation", "description": "Documentation served with GitBook"}' > book.json; \
-    fi
+# --- THIS IS THE FIX FOR THE "NOT FOUND" ERROR ---
+# We are forcing the old npm client to use the public registry directly
+# and to ignore the SSL protocol errors that are likely causing the block.
+RUN npm config set registry https://registry.npmjs.org/
+RUN npm config set "strict-ssl" false
 
-# Install GitBook plugins (if any are specified in book.json)
+# Install the plugins listed in book.json using the now-fixed npm client
 RUN gitbook install
 
-# Build the static site
+# Build the static HTML site
 RUN gitbook build
 
-# Expose a port (using 4000 as a standard for gitbook serve)
+# Expose port 4000 for serving
 EXPOSE 4000
 
-# Serve the built documentation on all network interfaces
+# The command to run when the container starts
 CMD ["gitbook", "serve", "--port", "4000", "--host", "0.0.0.0"]