Stage 7 · Master
HOA Backend Engineering Course
A 40-hour production-focused course that builds and operates a complete service-oriented backend with Go 1.26+, Gin, PostgreSQL, Redis, and Kafka.
20 modules171 lessons40h of reading171/171 live today
Prerequisite
Go fundamentals. No prior backend or distributed-systems experience required.
What this course leaves you with
- Design maintainable HTTP and gRPC services from product rules and domain boundaries
- Enforce tenant isolation through identity, application contracts, PostgreSQL, Redis, and Kafka
- Build reliable payment, event, caching, and background workflows with explicit failure handling
- Test, observe, containerize, deploy, harden, and recover a complete production backend platform
Go 1.26+GinPostgreSQLRedisKafka
Progress
0 of 171 lessons complete. Progress is stored locally in your browser so you can pick the path back up later.
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course completion
01
16 lessons
Phase 1 — Project Foundation
Design, implement, test, and operate the Project Foundation as part of the evolving backend platform.
- 01Project ArchitectureApply Project Architecture while building the Project Foundation phase of the production Go backend.15 min
- 02Monorepo SetupApply Monorepo Setup while building the Project Foundation phase of the production Go backend.15 min
- 03Go Workspace (go.work)Apply Go Workspace (go.work) while building the Project Foundation phase of the production Go backend.15 min
- 04Folder StructureApply Folder Structure while building the Project Foundation phase of the production Go backend.15 min
- 05Configuration ManagementApply Configuration Management while building the Project Foundation phase of the production Go backend.15 min
- 06Environment VariablesApply Environment Variables while building the Project Foundation phase of the production Go backend.15 min
- 07Dependency InjectionApply Dependency Injection while building the Project Foundation phase of the production Go backend.14 min
- 08LoggingApply Logging while building the Project Foundation phase of the production Go backend.14 min
- 09Error HandlingApply Error Handling while building the Project Foundation phase of the production Go backend.14 min
- 10Docker Development EnvironmentApply Docker Development Environment while building the Project Foundation phase of the production Go backend.14 min
- 11PostgreSQL SetupApply PostgreSQL Setup while building the Project Foundation phase of the production Go backend.14 min
- 12Redis SetupApply Redis Setup while building the Project Foundation phase of the production Go backend.14 min
- 13Kafka SetupApply Kafka Setup while building the Project Foundation phase of the production Go backend.14 min
- 14MakefileApply Makefile while building the Project Foundation phase of the production Go backend.14 min
- 15golangci-lintApply golangci-lint while building the Project Foundation phase of the production Go backend.14 min
- 16Git WorkflowApply Git Workflow while building the Project Foundation phase of the production Go backend.14 min
02
20 lessons
Phase 2 — Organization Service
Design, implement, test, and operate the Organization Service as part of the evolving backend platform.
- 01Service BootstrapApply Service Bootstrap while building the Organization Service phase of the production Go backend.14 min
- 02Database DesignApply Database Design while building the Organization Service phase of the production Go backend.14 min
- 03MigrationsApply Migrations while building the Organization Service phase of the production Go backend.14 min
- 04ModelsApply Models while building the Organization Service phase of the production Go backend.14 min
- 05DTOsApply DTOs while building the Organization Service phase of the production Go backend.14 min
- 06Repository LayerApply Repository Layer while building the Organization Service phase of the production Go backend.14 min
- 07Service LayerApply Service Layer while building the Organization Service phase of the production Go backend.14 min
- 08Handler LayerApply Handler Layer while building the Organization Service phase of the production Go backend.14 min
- 09REST API DesignApply REST API Design while building the Organization Service phase of the production Go backend.14 min
- 10ValidationApply Validation while building the Organization Service phase of the production Go backend.14 min
- 11Error HandlingApply Error Handling while building the Organization Service phase of the production Go backend.14 min
- 12Unit TestingApply Unit Testing while building the Organization Service phase of the production Go backend.14 min
- 13Integration TestingApply Integration Testing while building the Organization Service phase of the production Go backend.14 min
- 14DockerizationApply Dockerization while building the Organization Service phase of the production Go backend.14 min
- 15Health ChecksApply Health Checks while building the Organization Service phase of the production Go backend.14 min
- 16MetricsApply Metrics while building the Organization Service phase of the production Go backend.14 min
- 17LoggingApply Logging while building the Organization Service phase of the production Go backend.14 min
- 18Kubernetes DeploymentApply Kubernetes Deployment while building the Organization Service phase of the production Go backend.14 min
- 19CI/CDApply CI/CD while building the Organization Service phase of the production Go backend.14 min
- 20MonitoringApply Monitoring while building the Organization Service phase of the production Go backend.14 min
03
10 lessons
Phase 3 — User Service
Design, implement, test, and operate the User Service as part of the evolving backend platform.
- 01User ManagementApply User Management while building the User Service phase of the production Go backend.14 min
- 02RelationshipsApply Relationships while building the User Service phase of the production Go backend.14 min
- 03CRUD APIsApply CRUD APIs while building the User Service phase of the production Go backend.14 min
- 04SearchApply Search while building the User Service phase of the production Go backend.14 min
- 05PaginationApply Pagination while building the User Service phase of the production Go backend.14 min
- 06ValidationApply Validation while building the User Service phase of the production Go backend.14 min
- 07TestingApply Testing while building the User Service phase of the production Go backend.14 min
- 08DockerizationApply Dockerization while building the User Service phase of the production Go backend.14 min
- 09MonitoringApply Monitoring while building the User Service phase of the production Go backend.14 min
- 10DeploymentApply Deployment while building the User Service phase of the production Go backend.14 min
04
10 lessons
Phase 4 — Authentication Service
Design, implement, test, and operate the Authentication Service as part of the evolving backend platform.
- 01Password HashingApply Password Hashing while building the Authentication Service phase of the production Go backend.14 min
- 02JWTApply JWT while building the Authentication Service phase of the production Go backend.14 min
- 03Refresh TokensApply Refresh Tokens while building the Authentication Service phase of the production Go backend.14 min
- 04Authentication MiddlewareApply Authentication Middleware while building the Authentication Service phase of the production Go backend.14 min
- 05Authorization (RBAC)Apply Authorization (RBAC) while building the Authentication Service phase of the production Go backend.14 min
- 06Session ManagementApply Session Management while building the Authentication Service phase of the production Go backend.14 min
- 07Security Best PracticesApply Security Best Practices while building the Authentication Service phase of the production Go backend.14 min
- 08TestingApply Testing while building the Authentication Service phase of the production Go backend.14 min
- 09DeploymentApply Deployment while building the Authentication Service phase of the production Go backend.14 min
- 10MonitoringApply Monitoring while building the Authentication Service phase of the production Go backend.14 min
05
9 lessons
Phase 5 — API Gateway
Design, implement, test, and operate the API Gateway as part of the evolving backend platform.
- 01Reverse ProxyApply Reverse Proxy while building the API Gateway phase of the production Go backend.14 min
- 02Request RoutingApply Request Routing while building the API Gateway phase of the production Go backend.14 min
- 03MiddlewareApply Middleware while building the API Gateway phase of the production Go backend.14 min
- 04JWT ValidationApply JWT Validation while building the API Gateway phase of the production Go backend.14 min
- 05Rate LimitingApply Rate Limiting while building the API Gateway phase of the production Go backend.14 min
- 06Correlation IDApply Correlation ID while building the API Gateway phase of the production Go backend.14 min
- 07LoggingApply Logging while building the API Gateway phase of the production Go backend.14 min
- 08MonitoringApply Monitoring while building the API Gateway phase of the production Go backend.14 min
- 09DeploymentApply Deployment while building the API Gateway phase of the production Go backend.14 min
06
6 lessons
Phase 6 — Flat Service
Design, implement, test, and operate the Flat Service as part of the evolving backend platform.
- 01CRUDApply CRUD while building the Flat Service phase of the production Go backend.14 min
- 02RelationshipsApply Relationships while building the Flat Service phase of the production Go backend.14 min
- 03ValidationApply Validation while building the Flat Service phase of the production Go backend.14 min
- 04TestingApply Testing while building the Flat Service phase of the production Go backend.14 min
- 05DeploymentApply Deployment while building the Flat Service phase of the production Go backend.14 min
- 06MonitoringApply Monitoring while building the Flat Service phase of the production Go backend.14 min
07
7 lessons
Phase 7 — Resident Service
Design, implement, test, and operate the Resident Service as part of the evolving backend platform.
- 01Resident ManagementApply Resident Management while building the Resident Service phase of the production Go backend.14 min
- 02Family MembersApply Family Members while building the Resident Service phase of the production Go backend.14 min
- 03OwnershipApply Ownership while building the Resident Service phase of the production Go backend.14 min
- 04RelationshipsApply Relationships while building the Resident Service phase of the production Go backend.14 min
- 05TestingApply Testing while building the Resident Service phase of the production Go backend.14 min
- 06DeploymentApply Deployment while building the Resident Service phase of the production Go backend.14 min
- 07MonitoringApply Monitoring while building the Resident Service phase of the production Go backend.14 min
08
7 lessons
Phase 8 — Maintenance Service
Design, implement, test, and operate the Maintenance Service as part of the evolving backend platform.
- 01BillingApply Billing while building the Maintenance Service phase of the production Go backend.14 min
- 02Monthly ChargesApply Monthly Charges while building the Maintenance Service phase of the production Go backend.14 min
- 03TransactionsApply Transactions while building the Maintenance Service phase of the production Go backend.14 min
- 04Payment StatusApply Payment Status while building the Maintenance Service phase of the production Go backend.14 min
- 05TestingApply Testing while building the Maintenance Service phase of the production Go backend.14 min
- 06DeploymentApply Deployment while building the Maintenance Service phase of the production Go backend.14 min
- 07MonitoringApply Monitoring while building the Maintenance Service phase of the production Go backend.14 min
09
7 lessons
Phase 9 — Payment Service
Design, implement, test, and operate the Payment Service as part of the evolving backend platform.
- 01Payment WorkflowApply Payment Workflow while building the Payment Service phase of the production Go backend.14 min
- 02IdempotencyApply Idempotency while building the Payment Service phase of the production Go backend.14 min
- 03TransactionsApply Transactions while building the Payment Service phase of the production Go backend.14 min
- 04Payment HistoryApply Payment History while building the Payment Service phase of the production Go backend.14 min
- 05TestingApply Testing while building the Payment Service phase of the production Go backend.14 min
- 06DeploymentApply Deployment while building the Payment Service phase of the production Go backend.14 min
- 07MonitoringApply Monitoring while building the Payment Service phase of the production Go backend.14 min
10
7 lessons
Phase 10 — Complaint Service
Design, implement, test, and operate the Complaint Service as part of the evolving backend platform.
- 01Complaint WorkflowApply Complaint Workflow while building the Complaint Service phase of the production Go backend.14 min
- 02Status ManagementApply Status Management while building the Complaint Service phase of the production Go backend.14 min
- 03AssignmentApply Assignment while building the Complaint Service phase of the production Go backend.14 min
- 04TimelineApply Timeline while building the Complaint Service phase of the production Go backend.14 min
- 05TestingApply Testing while building the Complaint Service phase of the production Go backend.14 min
- 06DeploymentApply Deployment while building the Complaint Service phase of the production Go backend.14 min
- 07MonitoringApply Monitoring while building the Complaint Service phase of the production Go backend.14 min
11
7 lessons
Phase 11 — Notice Service
Design, implement, test, and operate the Notice Service as part of the evolving backend platform.
- 01Notice BoardApply Notice Board while building the Notice Service phase of the production Go backend.14 min
- 02AttachmentsApply Attachments while building the Notice Service phase of the production Go backend.14 min
- 03SearchApply Search while building the Notice Service phase of the production Go backend.14 min
- 04PaginationApply Pagination while building the Notice Service phase of the production Go backend.14 min
- 05TestingApply Testing while building the Notice Service phase of the production Go backend.14 min
- 06DeploymentApply Deployment while building the Notice Service phase of the production Go backend.14 min
- 07MonitoringApply Monitoring while building the Notice Service phase of the production Go backend.14 min
12
6 lessons
Phase 12 — Visitor Service
Design, implement, test, and operate the Visitor Service as part of the evolving backend platform.
- 01Visitor RegistrationApply Visitor Registration while building the Visitor Service phase of the production Go backend.14 min
- 02Approval WorkflowApply Approval Workflow while building the Visitor Service phase of the production Go backend.14 min
- 03HistoryApply History while building the Visitor Service phase of the production Go backend.14 min
- 04TestingApply Testing while building the Visitor Service phase of the production Go backend.14 min
- 05DeploymentApply Deployment while building the Visitor Service phase of the production Go backend.14 min
- 06MonitoringApply Monitoring while building the Visitor Service phase of the production Go backend.14 min
13
6 lessons
Phase 13 — Staff Service
Design, implement, test, and operate the Staff Service as part of the evolving backend platform.
- 01Staff ManagementApply Staff Management while building the Staff Service phase of the production Go backend.14 min
- 02VendorsApply Vendors while building the Staff Service phase of the production Go backend.14 min
- 03AttendanceApply Attendance while building the Staff Service phase of the production Go backend.14 min
- 04TestingApply Testing while building the Staff Service phase of the production Go backend.14 min
- 05DeploymentApply Deployment while building the Staff Service phase of the production Go backend.14 min
- 06MonitoringApply Monitoring while building the Staff Service phase of the production Go backend.14 min
14
7 lessons
Phase 14 — Notification Service
Design, implement, test, and operate the Notification Service as part of the evolving backend platform.
- 01EmailApply Email while building the Notification Service phase of the production Go backend.14 min
- 02SMSApply SMS while building the Notification Service phase of the production Go backend.14 min
- 03Push NotificationsApply Push Notifications while building the Notification Service phase of the production Go backend.14 min
- 04Background WorkersApply Background Workers while building the Notification Service phase of the production Go backend.14 min
- 05TestingApply Testing while building the Notification Service phase of the production Go backend.14 min
- 06DeploymentApply Deployment while building the Notification Service phase of the production Go backend.14 min
- 07MonitoringApply Monitoring while building the Notification Service phase of the production Go backend.14 min
15
6 lessons
Phase 15 — Redis Integration
Design, implement, test, and operate the Redis Integration as part of the evolving backend platform.
- 01Cache Aside PatternApply Cache Aside Pattern while building the Redis Integration phase of the production Go backend.14 min
- 02Cache InvalidationApply Cache Invalidation while building the Redis Integration phase of the production Go backend.14 min
- 03TTLApply TTL while building the Redis Integration phase of the production Go backend.14 min
- 04Session StorageApply Session Storage while building the Redis Integration phase of the production Go backend.14 min
- 05Distributed LockingApply Distributed Locking while building the Redis Integration phase of the production Go backend.14 min
- 06Performance TestingApply Performance Testing while building the Redis Integration phase of the production Go backend.14 min
16
8 lessons
Phase 16 — Kafka Integration
Design, implement, test, and operate the Kafka Integration as part of the evolving backend platform.
- 01Event Driven ArchitectureApply Event Driven Architecture while building the Kafka Integration phase of the production Go backend.14 min
- 02ProducersApply Producers while building the Kafka Integration phase of the production Go backend.14 min
- 03ConsumersApply Consumers while building the Kafka Integration phase of the production Go backend.14 min
- 04Consumer GroupsApply Consumer Groups while building the Kafka Integration phase of the production Go backend.14 min
- 05RetryApply Retry while building the Kafka Integration phase of the production Go backend.14 min
- 06Dead Letter QueueApply Dead Letter Queue while building the Kafka Integration phase of the production Go backend.14 min
- 07Event VersioningApply Event Versioning while building the Kafka Integration phase of the production Go backend.14 min
- 08Event TestingApply Event Testing while building the Kafka Integration phase of the production Go backend.14 min
17
7 lessons
Phase 17 — Observability
Design, implement, test, and operate the Observability as part of the evolving backend platform.
- 01Structured LoggingApply Structured Logging while building the Observability phase of the production Go backend.14 min
- 02PrometheusApply Prometheus while building the Observability phase of the production Go backend.14 min
- 03GrafanaApply Grafana while building the Observability phase of the production Go backend.14 min
- 04OpenTelemetryApply OpenTelemetry while building the Observability phase of the production Go backend.14 min
- 05Distributed TracingApply Distributed Tracing while building the Observability phase of the production Go backend.14 min
- 06DashboardsApply Dashboards while building the Observability phase of the production Go backend.14 min
- 07AlertingApply Alerting while building the Observability phase of the production Go backend.14 min
18
6 lessons
Phase 18 — Performance Engineering
Design, implement, test, and operate the Performance Engineering as part of the evolving backend platform.
- 01Database IndexingApply Database Indexing while building the Performance Engineering phase of the production Go backend.14 min
- 02Query OptimizationApply Query Optimization while building the Performance Engineering phase of the production Go backend.14 min
- 03Connection PoolingApply Connection Pooling while building the Performance Engineering phase of the production Go backend.14 min
- 04BenchmarkingApply Benchmarking while building the Performance Engineering phase of the production Go backend.14 min
- 05ProfilingApply Profiling while building the Performance Engineering phase of the production Go backend.14 min
- 06Load TestingApply Load Testing while building the Performance Engineering phase of the production Go backend.14 min
19
11 lessons
Phase 19 — Production Deployment
Design, implement, test, and operate the Production Deployment as part of the evolving backend platform.
- 01DockerApply Docker while building the Production Deployment phase of the production Go backend.14 min
- 02Docker ComposeApply Docker Compose while building the Production Deployment phase of the production Go backend.14 min
- 03KubernetesApply Kubernetes while building the Production Deployment phase of the production Go backend.14 min
- 04HelmApply Helm while building the Production Deployment phase of the production Go backend.14 min
- 05GitHub ActionsApply GitHub Actions while building the Production Deployment phase of the production Go backend.14 min
- 06CI/CDApply CI/CD while building the Production Deployment phase of the production Go backend.14 min
- 07SecretsApply Secrets while building the Production Deployment phase of the production Go backend.14 min
- 08ConfigMapsApply ConfigMaps while building the Production Deployment phase of the production Go backend.14 min
- 09IngressApply Ingress while building the Production Deployment phase of the production Go backend.14 min
- 10AutoscalingApply Autoscaling while building the Production Deployment phase of the production Go backend.14 min
- 11Rolling UpdatesApply Rolling Updates while building the Production Deployment phase of the production Go backend.14 min
20
8 lessons
Phase 20 — Production Readiness
Design, implement, test, and operate the Production Readiness as part of the evolving backend platform.
- 01SecurityApply Security while building the Production Readiness phase of the production Go backend.14 min
- 02BackupApply Backup while building the Production Readiness phase of the production Go backend.14 min
- 03Disaster RecoveryApply Disaster Recovery while building the Production Readiness phase of the production Go backend.14 min
- 04API VersioningApply API Versioning while building the Production Readiness phase of the production Go backend.14 min
- 05Audit LogsApply Audit Logs while building the Production Readiness phase of the production Go backend.14 min
- 06Feature FlagsApply Feature Flags while building the Production Readiness phase of the production Go backend.14 min
- 07SLI/SLOApply SLI/SLO while building the Production Readiness phase of the production Go backend.14 min
- 08Production ChecklistApply Production Checklist while building the Production Readiness phase of the production Go backend.14 min