How to serve Clojure pages with nginx

Question

I set up a home server with ubuntu and ngingx and I can serve static files. Now I want to test some clojure files but I am not clear about how to do this. For php this seems very easy, for instance in this tutorial he adds a location for php files. Is that all I need to do, just indicate where Clojure files are in the config file?

I have the Web Development with Clojure by Dmitry Sotnikov and he talks about deployment but not specifically about nginx.

Can you point me in the right direction where I can find documentation about this?

read also: http://stackoverflow.com/questions/7787911/compojure-lein-ring-in-production — edbond, Dec 17 '13 at 16:12

score 9 · Answer 1 · answered Jan 18 '14 at 03:10

9

Please try Nginx-Clojure module. You can run clojure Ring handlers with Nginx without any Java Web Server, eg. Jetty. Further more it 's very fast. The benchmarks can be found HERE.

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answered Jan 18 '14 at 03:10

xfeep

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11
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score 6 · Accepted Answer · answered Dec 17 '13 at 15:06

6

Consider next setup:

nginx -> ring server (jetty)

You need to start lein ring server (using lein-ring plugin) on some port (say 8080). Nginx will listen at 80 port and forward requests to 8080. Here is a sample nginx config:

upstream ring {
  server 127.0.0.1:8080 fail_timeout=0;
}

server {
    root <path-to-public-dir>;

    # Make site accessible from http://localhost/
    server_name localhost;

    location / {
        # First attempt to serve request as file
        try_files $uri $uri/ @ring;
    }

    location @ring {
        proxy_redirect off;
        proxy_buffering off;
        proxy_set_header Host $http_host;
        proxy_pass http://ring;
    }

    location ~ ^/(assets|images|javascripts|stylesheets|swfs|system)/ {
        expires     max;
        add_header  Cache-Control public;
    }
}

Change path-to-public-dir to directory where your static files reside (resources/public). Nginx will server static files (if file found) and forward other requests to ring server.

answered Dec 17 '13 at 15:06

edbond

3,921
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4

Lein should not be run from production. Use lein uberjar to create a server jar. – noisesmith Dec 17 '13 at 15:19
I created a project with lein called `guestbook` and I did `lein ring server` which is running on `localhost:3000` and I see "Hello World" in the browser. I changed the conf file to "3000" from "8080" that you had (correct?) but now I am confused where I need to put the project files. At this point they are in `~/guestbook`. Can you help with this? – Zeynel Dec 18 '13 at 14:54
1

great, now change in nginx config: `root /home/zeynel/guestbook/resources/public` (make sure folder exists) and visit http://localhost/. This should hit your ring server. – edbond Dec 18 '13 at 15:45
ok, but I am still confused. If I change `root ~/guestbook/resources/public` where do I put put my html files, like index.html? – Zeynel Dec 18 '13 at 16:12
1

If it's a static page you can put it in public folder and request /index.html. For dynamic responses you need to learn about compojure routes - https://github.com/weavejester/compojure/wiki – edbond Dec 18 '13 at 17:20
I created the `~/guestbook/resources/public/html/index.html` file and made it the root in the nginx config file but I get "Not Found` when I try `http://localhost:3000/index.html`. I think that I am not really understanding what is going on here. I think nginx is not involved in this process at all. localhost is just the server that I started with `lein ring server`. I will ask a new question with more details with my setup. Thanks for your help. – Zeynel Dec 18 '13 at 18:49
try http://localhost/html/index.html. You are correct, nginx serves 80 port (url without a port), ring server listen on 3000 port. So you hit ring server not nginx. You are welcome! – edbond Dec 18 '13 at 18:59
ok, `http://localhost:3000/html/index.html` works, `localhost/html/index.html` does not work. But, I realized that my confusion is because I want to use my own domain `example.com` not `localhost`. So I think I need to start over. – Zeynel Dec 18 '13 at 19:04
let us [continue this discussion in chat](http://chat.stackoverflow.com/rooms/43450/discussion-between-edbond-and-zeynel) – edbond Dec 18 '13 at 19:09

How to serve Clojure pages with nginx

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