Utilizing external CSS and static images in Go on Google App Engine: A comprehensive guide

I am currently developing a webpage using Go programming language. The code utilizes "html/template" to parse HTML, and I want to incorporate CSS into the project. While internal CSS works fine, switching to external CSS seems to pose a challenge as it cannot access the .css file.

Below is my app.yaml configuration:

application: makerboardstest
version: 1
runtime: go
api_version: go1

handlers:
- url: /.*
  script: _go_app

- url: /stylesheets
  static_dir: stylesheets

- url: /images
  static_dir: images 

This is how I attempted to link the .css file in the HTML:

<head>
<link href="/stylesheets/main.css" media="screen" rel="stylesheet" type="text/css" />
</head>

In addition to CSS issues, I am also experiencing problems with displaying static images on the page. Here is an example of how I tried to include an image in the HTML:

<img src="/images/img1.jpg" />

What could possibly be causing these issues?

(I am testing this on a Windows 7 PC)

Answer №1

Make sure to prioritize your handlers correctly in order for the right one to be matched first. For instance, if your browser is requesting /scripts/main.js, it will match the pattern /.* of the first handler and serve it instead of checking the static directory. To resolve this, rearrange the order of handlers so that /scripts is matched and served from the static directory.

Example:

handlers:
- url: /scripts
  static_dir: scripts

- url: /images
  static_dir: images 

- url: /.*
  script: _go_app

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