fix: dockerfile

Author: benjamsf

dockerfile

@@ -17,12 +17,12 @@ COPY src ./src
 COPY docs ./docs
 COPY i18n ./i18n
 
-# Copy Marp slides and build script so that npm run build:marp works
+# Copy slides and build script so that npm run build:reveal works
 COPY slides ./slides
 COPY reveal.build.js ./
 
-# Build the site (this runs "npm run build", which first runs build:marp)
-RUN npm run build -- --config docusaurus.config.js --out-dir build
+# Build the site
+RUN npm run build
 
 # Use Nginx to serve the static files
 FROM nginx:alpine