Overview
The Ordinary Experts Zulip Pattern is an open-source AWS CloudFormation template that offers an easy-to-install AWS infrastructure solution for quickly deploying Zulip, using both AWS and Zulip best practices. Automatically configured to support auto-scaling through AWS Autoscaling Groups, this solution leverages an S3 bucket for user generated content between application servers. It also provisions an ElastiCache Redis cluster for cache. It configures SES with Easy DKIM for emails, and configures Route53 with convenient DNS entries. The template ensure multi-level security by incorporating AWS IAM for federated access to resources with least privilege and AWS managed keys and Secret Manager to manage secrets for encryption of data at rest and in transit. We support multiple availability zones using an RDS Aurora Postgresql cluster and EC2 Auto Scaling Groups.
Highlights
- Production-ready Zulip v7.5 site, with search, email, and caching
- Integrated with AWS Certificate Manager for HTTPS support
- Logs in CloudWatch Logs, Remote access via Session Manager
Details
Features and programs
Financing for AWS Marketplace purchases
Pricing
Instance type | Product cost/hour | EC2 cost/hour | Total/hour |
|---|---|---|---|
t2.nano | $0.01 | $0.006 | $0.016 |
t2.micro AWS Free Tier | $0.01 | $0.012 | $0.022 |
t2.small | $0.01 | $0.023 | $0.033 |
t2.medium | $0.01 | $0.046 | $0.056 |
t2.large | $0.01 | $0.093 | $0.103 |
t2.xlarge | $0.01 | $0.186 | $0.196 |
t2.2xlarge | $0.03 | $0.371 | $0.401 |
t3.nano | $0.01 | $0.005 | $0.015 |
t3.micro AWS Free Tier | $0.01 | $0.01 | $0.02 |
t3.small | $0.01 | $0.021 | $0.031 |
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Delivery details
Ordinary Experts Zulip Pattern
The Ordinary Experts Zulip Patterns AWS Architecture Diagram shows the total flow of services from when the customer accesses the Zulip application. The diagram shows the following AWS Services: Amazon Simple Storage System (Amazon S3) Amazon Elastic Compute Cloud (Amazon EC2) Amazon Virtual Public Cloud (Amazon VPC) Amazon Aurora Postgresql Amazon Secrets Manager and Amazon ElastiCache
CloudFormation Template (CFT)
AWS CloudFormation templates are JSON or YAML-formatted text files that simplify provisioning and management on AWS. The templates describe the service or application architecture you want to deploy, and AWS CloudFormation uses those templates to provision and configure the required services (such as Amazon EC2 instances or Amazon RDS DB instances). The deployed application and associated resources are called a "stack."
Version release notes
See GitHub project for release notes.
Additional details
Usage instructions
Run the stack, providing a valid parameters. When the stack creation completes, go to the outputs of the stack and open url in the outputs in your browser. See the 'FirstUseInstructions' output for more info about creating an initial organization. To access the application servers, find the EC2 instance in the AWS console and "Connect" using the Session Manager option. All information gathered by the Zulip application is stored either on encrypted EBS volumes, in its encrypted Aurora database or on S3 using server-side encryption. To monitor for the health of the application, check the ALB Health Dashboard. Several IAM resources are provisioned as part of this product: SesInstanceUser IAM user - used to generate an Access Key for SMTP email sending via SES and to upload items to the Zulip bucket. SesGenerateSMTPPasswordLambdaRole IAM role - used by Lambda to generate SMTP password based on Access Key and store in Secrets Manager. AsgInstanceRole IAM role - attached to EC2 instance and allows for association of EBS and ENIs as well as downloading artifacts from S3. AsgSubnetToAzLambdaRole IAM role - attached to the AsgSubnetToAzLambda function which maps subnets to AZs. For network configuration, please reference the architecture diagram. For a pricing breakdown, please reference the AWS Calculator link. For more detailed instructions, see the GitHub project.
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