DB_IS_AZURE: expose TinyTDS config flag that enables Azure SQL support. See https://github.com/rails-sqlserver/activerecord-sqlserver-adapter/blob/eba58db70be72872104e6c7d4f5831a97a7465a9/lib/active_record/connection_adapters/sqlserver_adapter.rb#L102

Author: chtzvt

Dockerfile

@@ -15,6 +15,7 @@ ENV DB_PORT=""
 ENV DB_USERNAME=""
 ENV DB_PASSWORD=""
 ENV DB_DATABASE=""
+ENV DB_IS_AZURE=""
 ENV BIND_HOST="0.0.0.0"
 ENV BIND_PORT="80"
 

rakelib/apply_db_config.rake

@@ -39,6 +39,7 @@ task :apply_db_config do
     config[cur_env]["database"] = ENV["DB_DATABASE"]
     config[cur_env]["username"] = ENV["DB_USERNAME"]
     config[cur_env]["password"] = ENV["DB_PASSWORD"]
+    config[cur_env]["azure"] = ENV["DB_IS_AZURE"].downcase == "true"
 
     File.write(File.join(APP_ROOT, 'config', 'database.yml'), config.to_yaml)
 end

start.sh

@@ -5,6 +5,7 @@ export RAILS_ENV=$NOTES_ENV
 [[ -z "$DATABASE_URL" ]] && unset DATABASE_URL
 [[ -z "$BIND_HOST" ]] && BIND_HOST="0.0.0.0"
 [[ -z "$BIND_PORT" ]] && BIND_PORT="80"
+[[ -z "$DB_IS_AZURE" || "${DB_IS_AZURE,,}" == "false" ]] && DB_IS_AZURE="false"
 
 bundle exec rake apply_db_config