Update exdocker

exdocker

@@ -0,0 +1,14 @@
+# Use a lightweight Nginx base image
+FROM nginx:alpine
+
+# Copy the custom index.html file into the Nginx default directory
+# Nginx serves content from /usr/share/nginx/html by default
+COPY index.html /usr/share/nginx/html/index.html
+
+# Expose port 80, which is a privileged port (<1024)
+# Nginx's master process runs as root to bind to this port,
+# then worker processes drop privileges.
+EXPOSE 80
+
+# The default Nginx CMD will start the server
+# CMD ["nginx", "-g", "daemon off;"]