downlading .ino file in esp8266 using arduino

Projects Interfacing w/ Software on the Computer
1

I have a code written for a Web Server in Arduino IDE. I want to flash the code in esp8266. My aim is to do this using an Arduino.

Can somebody help me with step by step instructions?

2

My aim is to do this using an Arduino.

Why? Why not simply connect the esp8266 to the PC to download the code?