svenmalvik/httpd repository overview

------ PREPARATION --------- sudo yum install -y bind-utils dnsmasq

docker run -d --name consul -p 8400:8400 -p 8500:8500 -p 8600:53/udp -h node1 progrium/consul -server -bootstrap -ui-dir /ui CONSUL=<HOST_IP>:8500 curl -X PUT $CONSUL/v1/kv/config/webapp/TEST -d "Dies ist ein Test"

------ END PREPARATION ---------

------ LIVE DEMO ---------

⁠Service Discovery

docker run -d -p 8080:80 --name helloworld svenmalvik/helloworld

⁠Register DEMO

dig helloworld.service.consul SRV

⁠consul template

docker run -it -p 80:80 --name httpd --entrypoint bash --env CONSUL=$CONSUL svenmalvik/httpd vi /etc/consul-templates/app.conf.tmpl consul-template -consul=$CONSUL -template "/etc/consul-templates/app.conf.tmpl:/usr/local/apache2/conf/extra/app.conf:httpd -k restart" -once vi /usr/local/apache2/conf/extra/app.conf From browser: http://localhost⁠ docker stop helloworld httpd; docker rm helloworld httpd

⁠envconsul

docker run -it -p 8080:80 --name helloworld --entrypoint bash --env CONSUL=$CONSUL svenmalvik/helloworld /opt/envconsul -consul $CONSUL -sanitize -upcase -prefix config/webapp /go/bin/helloworld From browser: http://localhost:8080⁠ curl -X PUT $CONSUL/v1/kv/config/webapp/TEST -d "This is a test" From browser: http://localhost:8080⁠

⁠Clean up

curl -X DELETE $CONSUL/v1/agent/service/deregister/helloworld curl -X PUT $CONSUL/v1/kv/config/webapp/TEST -d "Dies ist ein Test" docker stop helloworld httpd; docker rm helloworld httpd ------ END OF LIVE DEMO ---------