Cover -- Credits -- About the Author -- www.PacktPub.com -- Customer Feedback -- Table of Contents -- Preface -- Chapter 1: Continuous Integration with Docker Containers -- Defining a fully Dockerized manual Continuous Integration flow -- Running unit tests and building service binary -- Building service images -- Running staging tests -- Pushing images to the registry -- Chapter 2: Setting Up and Operating a Swarm Cluster -- Scalability -- Axis scaling -- X-axis scaling -- Y-axis scaling -- Z-axis scaling -- Clustering -- Docker Swarm Mode -- Setting up a Swarm cluster -- Deploying services to the Swarm cluster -- Scaling services -- Failover -- What now? -- Chapter 3: Docker Swarm Networking and Reverse Proxy -- Setting up a cluster -- Requirements of secured and fault tolerant services running with high availability -- Running a database in isolation -- Running a service through a reverse proxy -- Creating a reverse proxy service in charge of routing requests depending on their base URLs -- Load balancing requests across all instances of a service -- What now? -- Chapter 4: Service Discovery inside a Swarm Cluster -- What would Docker Swarm look like without? -- What does standalone Docker Swarm look like with service discovery? -- Service discovery in the Swarm cluster -- Do we need service discovery? -- Setting up Consul as service registry inside a Swarm cluster -- Problems when scaling stateful instances -- Using service registry to store the state -- Discovering addresses of all instances that form a service -- Using service registry or key value store to store service state -- What now? -- Chapter 5: Continuous Delivery and Deployment with Docker Containers -- Defining the Continuous Delivery environment -- Setting up Continuous Delivery clusters -- Using node labels to constrain services -- Creating services. Walking through Continuous Delivery steps -- Walking the extra mile from Continuous Delivery to Continuous Deployment -- What now? -- Chapter 6: Automating Continuous Deployment Flow with Jenkins -- Jenkins architecture -- Production environment setup -- Jenkins service -- Jenkins failover -- Jenkins agent -- Creating services in production and production-like environments -- Automating Continuous Deployment flow with Jenkins -- Creating Jenkins Pipeline jobs -- Defining Pipeline nodes -- Defining Pipeline stages -- Defining Pipeline steps -- What now? -- Chapter 7: Exploring Docker Remote API -- Setting up the environment -- Operating Docker Swarm through the Docker Remote API -- Using Docker Remote API to automate proxy configuration -- Combining the Swarm listener with the proxy -- Automatically reconfiguring the proxy -- Removing a service from the proxy -- What now? -- Chapter 8: Using Docker Stack and Compose YAML Files to Deploy Swarm Services -- Swarm cluster setup -- Creating Swarm services through Docker stack commands -- Deploying more stacks -- To stack or not to stack -- Cleanup -- Chapter 9: Defining Logging Strategy -- The need for centralized logging -- Setting up ElasticSearch as the logging database -- Setting up LogStash as the logs parser and forwarder -- Forwarding logs from all containers running anywhere inside a Swarm cluster -- Exploring logs -- Discussing other logging solutions -- What now? -- Chapter 10: Collecting Metrics and Monitoring the Cluster -- The requirements of a cluster monitoring system -- Choosing the right database to store system metrics -- Creating the cluster -- Prometheus metrics -- Exporting system wide metrics -- Scraping, querying, and visualizing Prometheus metrics -- Using Grafana to create dashboards -- Exploring Docker Swarm and container overview dashboard in Grafana. Adjusting services through dashboard metrics -- Monitoring best practices -- What now? -- Chapter 11: Embracing Destruction: Pets versus Cattle -- What now? -- Chapter 12: Creating and Managing a Docker Swarm Cluster in Amazon Web Services -- Installing AWS CLI and setting up the environment variables -- Setting up a Swarm cluster with Docker Machine and AWS CLI -- Setting up a Swarm cluster with Docker for AWS -- Automatically setting up a Swarm cluster with Docker for AWS -- Setting up a Swarm cluster with Packer and Terraform -- Using Packer to create Amazon Machine Images -- Using Terraform to create a Swarm cluster in AWS -- Choosing the right tools to create and manage Swarm clusters in AWS -- To Docker Machine or not to Docker Machine? -- To Docker for AWS or not to Docker for AWS? -- To Terraform or not to Terraform? -- The final verdict -- Chapter 13: Creating and Managing a Docker Swarm Cluster in DigitalOcean -- Setting up the environment variables -- Setting up a Swarm cluster with Docker Machine and DigitalOcean API -- Setting up a Swarm cluster with Packer and Terraform -- Using Packer to create DigitalOcean snapshots -- Using Terraform to create a Swarm cluster in DigitalOcean -- Choosing the right tools to create and manage Swarm clusters in DigitalOcean -- To Docker Machine or not to Docker Machine? -- To Terraform or not to Terraform? -- The final verdict -- To DigitalOcean or not to DigitalOcean -- Chapter 14: Creating and Managing Stateful Services in a Swarm Cluster -- Exploring the twelve-factor app methodology -- Setting up a Swarm cluster and the proxy -- Running stateful services without data persistence -- Persisting stateful services on the host -- Persisting stateful services on a Network File System -- Data volume orchestration -- Persisting stateful services with REX-Ray. Choosing the persistence method for stateful services -- Adding REX-Ray to packer and terraform -- Persisting stateful services without replication -- Persisting stateful services with synchronization and replication -- Persisting docker flow proxy state -- Persisting MongoDB state -- Initializing MongoDB replica set through a swarm service -- What now? -- Chapter 15: Managing Secrets in Docker Swarm Clusters -- Creating secrets -- Consuming secrets -- A real-world example of using secrets -- Using secrets with Docker Compose -- Common ways to use secrets -- What now? -- Appendix: Monitor Your GitHub Repos with Docker and Prometheus -- Docker, Prometheus, and Grafana -- Getting started -- Configuration -- Post configuration -- Install dashboard -- Conclusion -- About the author -- Index.