Enable CORS on Cloudant local

Question

I have setup a cloudant local database using docker image.

When I try to send in a cloudant query using a JavaScript application hosted on localhost:8000 it gives me an CORS error.

How do I enable CORS on Cloudant local? I have tried the following

PUT request as described in https://docs.cloudant.com/cors.html#setting-the-cors-configuration
Checked the dashboard but the local instance does not have the "Account" tab available.

When I GET the CORS config file using http://localhost:9991/cloudant-db/_api/v2/admin/config/cors, I get the following JSON. { "error": "not_found", "reason": "missing" } — anirus, Sep 13 '16 at 03:03
Shouldn't that be `localhost:9991/_api/v2/user/config/cors`? — Ouroborus, Sep 13 '16 at 03:10
I also tried that, it gives { "error": "not_found", "reason": "Database does not exist."}. — anirus, Sep 13 '16 at 03:14

nitind · Answer 1 · 2017-04-27T21:42:43.040

Same answer as @anirus, but there's a very kludgy way around it. If you have named the container cloudant-developer as in the current instructions at https://hub.docker.com/r/ibmcom/cloudant-developer/:

Save the stock default.ini file locally:

docker exec cloudant-developer cat /opt/cloudant/etc/default.ini > default.ini
Modify it so that enable_cors = true instead of false
In the [cors] section, add a line like origins = http://localhost:3000. It should also take a comma delimited list, but then you're probably only working on one app at a time.
Volume mount the modified default.ini over the original whenever you run the container by adding -v `pwd`/default.ini:/opt/cloudant/etc/default.ini to docker's list of command line arguments:

docker run --privileged --detach --volume cloudant:/srv -v `pwd`/default.ini:/opt/cloudant/etc/default.ini --name cloudant-developer --publish 8080:80 --hostname cloudant.dev ibmcom/cloudant-developer

score 1 · Answer 2 · answered Nov 04 '17 at 19:44

This can be done using a custom Dockerfile which edits the Cloudant settings file before the database is started. I used this -

FROM ibmcom/cloudant-developer:latest

RUN \
  sed -i 's/enable_cors = false/enable_cors = true/g' /opt/cloudant/etc/default.ini && \
  sed -i 's/\[cors\]/\[cors\]\norigins=*/g' /opt/cloudant/etc/default.ini && \
  sed -i 's/credentials = false/credentials = true/g' /opt/cloudant/etc/default.ini

It will enable cors with origins=* and also accept credentials from CORS connections.

You can put that in a Dockerfile, then docker build and docker run it.

score 0 · Answer 3 · answered Sep 23 '16 at 15:49

0

All my investigation so far indicates that this is not supported on local Cloudant.

answered Sep 23 '16 at 15:49

anirus

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Enable CORS on Cloudant local

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