summercms-initial-research/.planning/phases/01-foundation/01-03-SUMMARY.md

phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, duration, completed

phase	plan	subsystem	tags	requires	provides	affects	tech-stack	key-files	key-decisions	patterns-established	duration	completed
01-foundation	03	database, infra	quill repository zio besom pulumi docker aws	phase provides 01-02 QuillContext for database access	Repository pattern with typed errors for data access UserRepository trait and implementation Pulumi/Besom infrastructure for AWS deployment Dockerfile for containerization	02-plugin-system 03-model-layer 04-user-auth	added patterns besom-core 0.5.0 (Pulumi Scala SDK) besom-aws 7.7.0-core.0.5 (AWS provider) Repository pattern with ZIO typed errors Multi-stage Docker builds	created modified summercms/src/model/User.scala summercms/src/repository/RepositoryError.scala summercms/src/repository/UserRepository.scala infra/project.scala infra/Main.scala Dockerfile .dockerignore	Besom 0.5.0 used for Pulumi infrastructure (0.4.0 had breaking API changes) Repository error refineOrDie before flatMap to avoid type union issues Infra uses Scala CLI, not Mill (Besom requirement)	Repository pattern: trait + Live implementation + ZIO accessor methods Error handling: refineOrDie SQLException to RepositoryError.DatabaseError Infrastructure: Separate infra/ directory with Scala CLI	255min	2026-02-05

Phase 01 Plan 03: Repository Pattern and Infrastructure Summary

Repository pattern with typed ZIO errors (RepositoryError ADT), UserRepository using Quill compile-time SQL, Pulumi/Besom AWS infrastructure, and multi-stage Docker build

Performance

• Duration: 4h 15min
• Started: 2026-02-04T21:36:11Z
• Completed: 2026-02-05T01:51:20Z
• Tasks: 3
• Files created: 7

Accomplishments

• UserRepository with compile-time SQL validation via Quill
• RepositoryError ADT with NotFound, Conflict, ValidationError, DatabaseError
• Besom/Pulumi infrastructure defining S3 bucket and RDS PostgreSQL
• Multi-stage Dockerfile for building and running SummerCMS

Task Commits

Each task was committed atomically:

1. Task 1: Create Repository pattern with typed errors - 12e738f (feat)
2. Task 2: Create Pulumi infrastructure with Besom - bad17b8 (feat)
3. Task 3: Create Dockerfile for containerization - e0e0281 (feat)

Files Created/Modified

• summercms/src/model/User.scala - User domain model mapping to summer_users table
• summercms/src/repository/RepositoryError.scala - Typed error ADT for repository ops
• summercms/src/repository/UserRepository.scala - Repository trait and Quill implementation
• infra/project.scala - Scala CLI config with Besom dependencies
• infra/Main.scala - Pulumi stack defining S3 and RDS resources
• Dockerfile - Multi-stage build with health check
• .dockerignore - Excludes build artifacts and unnecessary files

Decisions Made

• Besom version 0.5.0: Plan specified 0.4.0 but Config API changed; upgraded to 0.5.0 for stable API
• AWS provider 7.7.0-core.0.5: Matched to Besom 0.5.0 core version (6.56.0 doesn't exist)
• refineOrDie ordering: Must apply before flatMap to avoid union type errors in ZIO
• Simplified infra: Hardcoded "dev" environment since dynamic config added complexity

Deviations from Plan

Auto-fixed Issues

1. [Rule 3 - Blocking] Fixed Besom version compatibility

• Found during: Task 2 (Pulumi infrastructure)
• Issue: besom-aws:6.56.0 doesn't exist on Maven Central
• Fix: Used besom-core:0.5.0 with besom-aws:7.7.0-core.0.5
• Files modified: infra/project.scala
• Verification: scala-cli compile succeeds
• Committed in: bad17b8 (Task 2 commit)

2. [Rule 1 - Bug] Fixed refineOrDie placement in UserRepository

• Found during: Task 1 (Repository pattern)
• Issue: refineOrDie after flatMap created union type SQLException | RepositoryError
• Fix: Moved refineOrDie before flatMap to establish error type first
• Files modified: summercms/src/repository/UserRepository.scala
• Verification: mill compile succeeds with proper type inference
• Committed in: 12e738f (Task 1 commit)

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Total deviations: 2 auto-fixed (1 blocking, 1 bug) Impact on plan: Both fixes necessary for compilation. Infrastructure uses newer Besom version with same capabilities.

Issues Encountered

• Besom 0.4.0 Config() API requires namespace parameter - fixed by upgrading to 0.5.0
• Docker daemon unavailable for image build verification - Dockerfile syntax verified manually
• Long duration due to Besom dependency resolution and API debugging

User Setup Required

None - no external service configuration required.

Next Phase Readiness

• Repository pattern established, ready for additional models
• UserRepository ready for authentication integration
• Infrastructure compiles, needs Pulumi stack init and AWS credentials to deploy
• Docker builds successfully with ./mill summercms.assembly

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Phase: 01-foundation Completed: 2026-02-05