在CartoDB部署中启用HTTPS遇混合内容警告问题求助

Got it, let's tackle this mixed content issue you're facing. The root problem here is that your Carto container still thinks it's running over HTTP internally, so when cbd.js generates API request URLs, it uses http:// instead of https://—even though your external site is using SSL. Here's how to fix it step by step:

1. Update Nginx Reverse Proxy Configuration #

First, make sure your Nginx config is properly forwarding protocol information to the Carto container. Add these headers to your location block that proxies to Carto:

location / {
    # Existing proxy_pass and other configs...
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Forwarded-SSL on;
    proxy_set_header Host $host;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}

These headers tell the Carto app that the external request is coming over HTTPS, not HTTP. Don't forget to reload Nginx after making changes:

sudo systemctl reload nginx

2. Configure Carto Container to Use HTTPS #

Next, you need to tell the Carto application itself to generate HTTPS URLs. You can do this either via environment variables when starting the container, or by modifying its config files.

Option A: Set Environment Variables on Container Start #

When launching your docker-cartodb container, add these environment variables to enforce SSL and set the correct protocol/host:

docker run -d \
  # Your existing ports, volumes, etc...
  -e RAILS_FORCE_SSL=true \
  -e CARTO_HOST=carto.gq \
  -e CARTO_PROTO=https \
  sverhoeven/docker-cartodb

Option B: Modify Carto's Config File (if env vars don't work) #

If the environment variables don't take effect, you can edit the app config inside the container:

1. Enter the container shell:

   docker exec -it <your-carto-container-name> bash
   

2. Open the main app config file:

   vi /cartodb/config/app_config.yml
   

3. Find and update these settings (add them if they don't exist):

   default: &default
     # Other existing config...
     force_ssl: true
     host: carto.gq
     protocol: https
   

4. Save the file and restart the container:

   docker restart <your-carto-container-name>
   

3. Verify the Fix #

After making these changes, clear your browser cache and reload your SSL-enabled Carto site. Check the browser's developer tools (Network tab) to confirm that all API requests from cbd.js are now using https:// instead of http://. The mixed content warnings should disappear.

Bonus: Force HTTPS for All Requests #

To make sure users can't access the HTTP version of your site, add a redirect in Nginx:

server {
    listen 80;
    server_name carto.gq;
    return 301 https://$host$request_uri;
}

This ensures all HTTP traffic gets redirected to HTTPS, preventing any accidental mixed content issues from direct HTTP access.

内容的提问来源于stack exchange，提问作者Sandeep Kumar