diff --git a/components/engine/docs/sources/examples/couchdb_data_volumes.rst b/components/engine/docs/sources/examples/couchdb_data_volumes.rst new file mode 100644 index 0000000000..5b50c73e38 --- /dev/null +++ b/components/engine/docs/sources/examples/couchdb_data_volumes.rst @@ -0,0 +1,53 @@ +:title: Sharing data between 2 couchdb databases +:description: Sharing data between 2 couchdb databases +:keywords: docker, example, package installation, networking, couchdb, data volumes + +.. _running_redis_service: + +Create a redis service +====================== + +.. include:: example_header.inc + +Here's an example of using data volumes to share the same data between 2 couchdb containers. +This could be used for hot upgrades, testing different versions of couchdb on the same data, etc. + +Create first database +--------------------- + +Note that we're marking /var/lib/couchdb as a data volume. + +.. code-block:: bash + + COUCH1=$(docker run -d -v /var/lib/couchdb shykes/couchdb:2013-05-03) + +Add data to the first database +------------------------------ + +We're assuming your docker host is reachable at `localhost`. If not, replace `localhost` with the public IP of your docker host. + +.. code-block:: bash + + HOST=localhost + URL="http://$HOST:$(docker port $COUCH1 5984)/_utils/" + echo "Navigate to $URL in your browser, and use the couch interface to add data" + +Create second database +---------------------- + +This time, we're requesting shared access to $COUCH1's volumes. + +.. code-block:: bash + + COUCH2=$(docker run -d -volumes-from $COUCH1) shykes/couchdb:2013-05-03) + +Browse data on the second database +---------------------------------- + +.. code-block:: bash + + HOST=localhost + URL="http://$HOST:$(docker port $COUCH2 5984)/_utils/" + echo "Navigate to $URL in your browser. You should see the same data as in the first database!" + +Congratulations, you are running 2 Couchdb containers, completely isolated from each other *except* for their data. diff --git a/components/engine/docs/sources/examples/index.rst b/components/engine/docs/sources/examples/index.rst index 6a616ec8ff..7eb2ecbe94 100644 --- a/components/engine/docs/sources/examples/index.rst +++ b/components/engine/docs/sources/examples/index.rst @@ -18,3 +18,4 @@ Contents: python_web_app running_redis_service running_ssh_service + couchdb_data_volumes