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README.md

Quickstart for localhost development

Install docker: https://docs.docker.com/engine/installation/

Following steps will bring up the docker container running cadence server along with all its dependencies (cassandra, statsd, graphite). Exposes cadence frontend on port 7933 and grafana metrics frontend on port 8080.

cd $GOPATH/src/github.com/uber/cadence/docker
docker-compose up

View metrics at localhost:8080/dashboard
View Cadence-Web at localhost:8088
Use Cadence-CLI with docker run --network=host --rm ubercadence/cli:master

For example to register new domain 'test-domain' with 1 retention day docker run --network=host --rm ubercadence/cli:master --do test-domain domain register -rd 1

Using a pre-built image

With every tagged release of the cadence server, there is also a corresponding docker image that's uploaded to docker hub. In addition, the release will also contain a docker.tar.gz file (docker-compose startup scripts). Go here to download a latest docker.tar.gz

Execute the following commands to start a pre-built image along with all dependencies (cassandra/statsd).

tar -xzvf docker.tar.gz
cd docker
docker-compose up

Building an image for any branch and restarting

Replace YOUR_TAG and YOUR_CHECKOUT_BRANCH in the below command to build:

cd $GOPATH/src/github.com/uber/cadence
git checkout YOUR_CHECKOUT_BRANCH
docker build . -t ubercadence/server:YOUR_TAG --build-arg TARGET=auto-setup

Replace the tag of image: ubercadence/server to YOUR_TAG in docker-compose.yml . Then stop service and remove all containers using the below commands.

docker-compose down
docker-compose up

Running cadence service with MySQL

Run cadence with MySQL instead of Cassandra, use following commads:

docker-compose -f docker-compose-mysql.yml up
docker-compose -f docker-compose-mysql.yml down

Please note that SQL support is still in active developement and it is not production ready yet.

Running cadence service with ElasticSearch

Run cadence with ElasticSearch for visibility instead of Cassandra/MySQL

docker-compose -f docker-compose-es.yml up

Quickstart for production

In a typical production setting, dependencies (cassandra / statsd server) are managed / started independently of the cadence-server. To use the container in a production setting, use the following command:

docker run -e CASSANDRA_CONSISTENCY=Quorum \            -- Default cassandra consistency level
    -e CASSANDRA_SEEDS=10.x.x.x                         -- csv of cassandra server ipaddrs
    -e KEYSPACE=<keyspace>                              -- Cassandra keyspace
    -e VISIBILITY_KEYSPACE=<visibility_keyspace>        -- Cassandra visibility keyspace
    -e SKIP_SCHEMA_SETUP=true                           -- do not setup cassandra schema during startup
    -e RINGPOP_SEEDS=10.x.x.x,10.x.x.x  \               -- csv of ipaddrs for gossip bootstrap
    -e STATSD_ENDPOINT=10.x.x.x:8125                    -- statsd server endpoint
    -e NUM_HISTORY_SHARDS=1024  \                       -- Number of history shards
    -e SERVICES=history,matching \                      -- Spinup only the provided services
    -e LOG_LEVEL=debug,info \                           -- Logging level
    -e DYNAMIC_CONFIG_FILE_PATH=config/foo.yaml         -- Dynamic config file to be watched
    ubercadence/server:<tag>