Merge branch 'release-x.38.x' into merge-release-x.38.x-2021-03-16

.circleci/config.yml

.devcontainer/Dockerfile

bin/docker/Dockerfile

bin/release/src/release/common.clj

...src/release/elastic_beanstalk/launch-aws-eb.html.template

docs/administration-guide/05-setting-permissions.md

docs/api-documentation.md

docs/enterprise-guide/full-app-embedding.md

...ed-topics-for-running-Metabase-in-AWS-ElasticBeanstalk.md

docs/operations-guide/creating-RDS-database-on-AWS.md

docs/operations-guide/images/CertManagerHome.png

docs/operations-guide/images/CertManagerImport.png

docs/operations-guide/images/EBApplicationInformation.png

docs/operations-guide/images/EBBaseConfig.png

docs/operations-guide/images/EBCapacity.png

docs/operations-guide/images/EBCapacityModified.png

docs/operations-guide/images/EBComplete.png

...perations-guide/images/EBDatabaseConfigurationOptions.png

docs/operations-guide/images/EBDatabaseEndpoint.png

docs/operations-guide/images/EBDatabaseSettings.png