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Reply to topic   Topic: subdomain refusing to point to docker image
Author
okebaja



Joined: 24 Aug 2018
Posts: 1
Location: Netherlands, Rotterdam

PostPosted: Fri 24 Aug '18 23:33    Post subject: subdomain refusing to point to docker image Reply with quote

I have a vps hosting two subdomains: cloud.example.com and office.example.com. On cloud I am hosting Nextcloud, on office I would like to host collabora/code (libre office online). I have all running on Ubuntu 16.04 and Apache 2.4.

First I had set up both subdomains using two conf files both declaring the virtual host, with servername, document root and ssl configuration (let's encrypt certs through certbot) and it worked: subdomain cloud is hosting nextcloud without problems, and subdomain office is showing the dummy page that I placed in the document root.

Then I installed Libreoffice in a docker container, and changed the office conf file to point it to the docker contained using proxy directives. This is not working: for some reason, apache decides to point to /var/www/html showing digital ocean's default dummy page. This is very strange, because the /var/www/html path is not mentioned in any conf file.

working config cloud.example.conf (recap):
Code:
        ServerName cloud.example.com
        ServerAlias cloud.example.com
        DocumentRoot /var/www/nextcloud


working config office.example.conf (recap):
Code:
        ServerName office.example.com
        ServerAlias office.example.com
        DocumentRoot /var/www/office


DocumentRoot is not set in any other conf file (as far as I was able to check; not in apache2.conf, ssl.conf and some others).

changed config office.example.conf (recap) which is not working:
Code:
        ServerName office.example.com
        #ServerAlias office.example.com
        #DocumentRoot /var/www/office
        ....
        # Container uses a unique non-signed certificate
        SSLProxyEngine On
        SSLProxyVerify None
        SSLProxyCheckPeerCN Off
        SSLProxyCheckPeerName Off
        # keep the host
        ProxyPreserveHost On
        # static html, js, images, etc. served from loolwsd
        # loleaflet is the client part of LibreOffice Online
        ProxyPass /loleaflet https://127.0.0.1:9980/loleaflet retry=0
        ProxyPassReverse /loleaflet https://127.0.0.1:9980/loleaflet
        # WOPI discovery URL
        ProxyPass /hosting/discovery https://127.0.0.1:9980/hosting/discovery retry=0
        ProxyPassReverse /hosting/discovery https://127.0.0.1:9980/hosting/discovery
        # Main websocket
        ProxyPassMatch "/lool/(.*)/ws$" wss://127.0.0.1:9980/lool/$1/ws nocanon
        # Admin Console websocket
        ProxyPass /lool/adminws wss://127.0.0.1:9980/lool/adminws
        # Download as, Fullscreen presentation and Image upload operations
        ProxyPass /lool https://127.0.0.1:9980/lool
        ProxyPassReverse /lool https://127.0.0.1:9980/lool


What am I doing wrong, what am I missing?
Why is Apache not directing office.example.com to the docker image running on 127.0.0.1:9980 using the proxy directives, but instead to /var/www/html ?

The docker image is active and running. I am posting here since I suspect this to be an Apache configuration problem, since it is directing differently and not showing errors.

All help appreciated !
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James Blond
Moderator


Joined: 19 Jan 2006
Posts: 6676
Location: Germany, Next to Hamburg

PostPosted: Thu 02 May '19 16:11    Post subject: Reply with quote

can you open the correct page on the internal URL with a browser like lynx?
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