Salesforce deployments can be cumbersome and error-prone, requiring manual steps that often lead to incomplete changesets or configuration issues. At PagerDuty, an in-house deployment system named Igor, controlled via a Slack bot called OfficerURL, simplifies this process by allowing Salesforce code to be deployed with a single command. This system leverages the tooling-force.com command line application to automate deployments, ensuring that Salesforce copies match the local working directory by removing obsolete components. The integration of version control and automated deployment scripts enhances efficiency and reduces the likelihood of errors, with success notifications and logs provided for each deployment. The setup involves specifying the target environment and using a properties file to manage different deployment scenarios, resulting in a streamlined workflow that mitigates common deployment challenges.