Authors:
            
                    René Peinl
                    
                        
                    
                     and
                
                    Florian Holzschuher
                    
                        
                    
                    
                
        
        
            Affiliation:
            
                    
                        
                    
                    Hof University, Germany
                
        
        
        
        
        
             Keyword(s):
            Cloud Computing, Management Tools, Micro-services, System Integration, Docker, Container.
        
        
            
                Related
                    Ontology
                    Subjects/Areas/Topics:
                
                        Cloud Abstraction of Composite IT Systems
                    ; 
                        Cloud Computing
                    ; 
                        Cloud Computing Enabling Technology
                    ; 
                        Cloud Resource Virtualization and Composition
                    ; 
                        Communication and Software Technologies and Architectures
                    ; 
                        e-Business
                    ; 
                        Enterprise Information Systems
                    ; 
                        Languages, Tools and Architectures
                    ; 
                        Model-Driven Software Development
                    ; 
                        Service Composition and Mashups
                    ; 
                        Service Discovery
                    ; 
                        Service-Oriented Architectures
                    ; 
                        Services Science
                    ; 
                        Software Engineering
                    ; 
                        Technology Platforms
                    ; 
                        Virtualization Technologies
                    
            
        
        
            
                Abstract: 
                Docker provides a good basis to run composite applications in the cloud, especially if those are not cloudaware,
or cloud-native. However, Docker concentrates on managing containers on one host, but SaaS providers
need a container management solution for multiple hosts. Therefore, a number of tools emerged that
claim to solve the problem. This paper classifies the solutions, maps them to requirements from a case study
and identifies gaps and integration requirements. We conclude that the Docker ecosystem could help moving
from IaaS and PaaS solutions towards a runtime environment for SaaS applications, but needs consolidation.