improvement: docker infrastructure overhauled.

infrastructure/nginx/Dockerfile

@@ -1,19 +1,13 @@
 FROM nginx:alpine
 
-# Remove default configuration
-RUN rm /etc/nginx/conf.d/default.conf
+RUN rm -f /etc/nginx/conf.d/default.conf
 
-# Copy custom configuration
-COPY nginx.conf /etc/nginx/conf.d/
+COPY http-only.conf /etc/nginx/conf.d/default.conf
 
-# Create log directory
 RUN mkdir -p /var/log/nginx && \
     chown -R nginx:nginx /var/log/nginx && \
     chmod -R 755 /var/log/nginx
 
-# Switch to non-root user
-USER nginx
+EXPOSE 80
 
-EXPOSE 80 443
-
-CMD ["nginx", "-g", "daemon off;"]
+CMD ["nginx", "-g", "daemon off;"]