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@aidankmcalister aidankmcalister commented Sep 5, 2025

Summary by CodeRabbit

  • New Features

    • Added a ready-to-run Railway deployment example: minimal API (health check, DB seed, published posts feed) with a simple web UI and configurable port.
  • Documentation

    • Added a Railway deployment guide with usage instructions and helpful resources.
  • Chores

    • Added ignore rules for dependencies, generated client code, and environment files; included project config and dependencies to run the example.

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coderabbitai bot commented Sep 5, 2025

Walkthrough

Adds a new Railway deployment example: Hono + Prisma Node server with TypeScript config, Prisma schema and initial migration (User/Post), seed/feed endpoints, package metadata, README, and .gitignore entries for node_modules, generated Prisma client, and .env.

Changes

Cohort / File(s) Summary of Changes
Railway project metadata & docs
deployment-platforms/railway/package.json, deployment-platforms/railway/README.md, deployment-platforms/railway/tsconfig.json, deployment-platforms/railway/.gitignore
Adds package.json (ESM, scripts, deps/devDeps), README with Railway deployment instructions and resources, TypeScript config (ESNext, strict, JSX for Hono), and .gitignore entries (/node_modules, src/generated/prisma/, .env).
Application server
deployment-platforms/railway/src/index.ts
New Hono-based HTTP server using Prisma: routes for / (HTML tester), /api (health), /api/seed (clears and seeds users/posts with nested writes), /api/feed (returns published posts with authors); loads env via dotenv and starts on PORT.
Prisma schema & client output
deployment-platforms/railway/prisma/schema.prisma
Adds Prisma generator (output ../src/generated/prisma), PostgreSQL datasource using env("DATABASE_URL"), and models User and Post with relations and constraints.
Migrations
deployment-platforms/railway/prisma/migrations/20250905152121_init/migration.sql, deployment-platforms/railway/prisma/migrations/migration_lock.toml
Adds initial migration creating User and Post tables, unique index on User.email, FK Post.authorId -> User.id (ON DELETE SET NULL, ON UPDATE CASCADE), and migration lock indicating provider = "postgresql".

Sequence Diagram(s)

sequenceDiagram
  autonumber
  participant U as User (HTTP client)
  participant S as Hono Server
  participant P as Prisma Client
  participant DB as PostgreSQL

  rect rgb(240,248,255)
  U->>S: GET /api
  S-->>U: 200 { up: true }
  end

  rect rgb(245,255,250)
  U->>S: GET /api/seed
  S->>P: deleteMany(Post), deleteMany(User)
  P->>DB: DELETE ...
  DB-->>P: OK
  S->>P: create User + nested Post (Jane)
  P->>DB: INSERT user, INSERT post
  DB-->>P: Rows
  S->>P: create User + nested Post (John)
  P->>DB: INSERT user, INSERT post
  DB-->>P: Rows
  S-->>U: 200 { message, authors }
  alt error
    S-->>U: 500 { error: "Failed to seed database" }
  end
  end

  rect rgb(255,250,240)
  U->>S: GET /api/feed
  S->>P: findMany(Post where published=true, include author)
  P->>DB: SELECT ... JOIN users
  DB-->>P: Rows
  S-->>U: 200 JSON posts with authors
  end
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Possibly related PRs

  • DC-4755 Fix Example Projects #8278: Modifies Prisma client output path and .gitignore for generated Prisma artifacts, closely related to this PR’s generator output and ignore rules.

Suggested reviewers

  • nurul3101
  • mhessdev
  • ankur-arch

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🧰 Additional context used
🧠 Learnings (1)
📚 Learning: 2025-08-22T12:12:24.602Z
Learnt from: FGoessler
PR: prisma/prisma-examples#8260
File: generator-prisma-client/nextjs-starter-webpack-turborepo/packages/database/package.json:13-13
Timestamp: 2025-08-22T12:12:24.602Z
Learning: When analyzing changes from package.json seed scripts to "prisma db seed", always verify the actual content of prisma.config.ts rather than relying solely on regex patterns, as the configuration may be properly defined but in a format that doesn't match overly restrictive search patterns.

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Actionable comments posted: 14

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📒 Files selected for processing (8)
  • deployment-platforms/railway/.gitignore (1 hunks)
  • deployment-platforms/railway/README.md (1 hunks)
  • deployment-platforms/railway/package.json (1 hunks)
  • deployment-platforms/railway/prisma/migrations/20250905152121_init/migration.sql (1 hunks)
  • deployment-platforms/railway/prisma/migrations/migration_lock.toml (1 hunks)
  • deployment-platforms/railway/prisma/schema.prisma (1 hunks)
  • deployment-platforms/railway/src/index.ts (1 hunks)
  • deployment-platforms/railway/tsconfig.json (1 hunks)
🧰 Additional context used
🪛 LanguageTool
deployment-platforms/railway/README.md

[grammar] ~1-~1: Use correct spacing
Context: # Railway deployment example [Deployment guide](https://www.prisma.io/...

(QB_NEW_EN_OTHER_ERROR_IDS_5)


[grammar] ~3-~3: Use correct spacing
Context: ...ay deployment example Deployment guide ## Download manually ```bash curl https://...

(QB_NEW_EN_OTHER_ERROR_IDS_5)


[grammar] ~5-~5: There might be a mistake here.
Context: ...loying-to-railway) ## Download manually bash curl https://codeload.github.com/prisma/prisma-examples/tar.gz/latest | tar -xz --strip=2 prisma-examples-latest/deployment-platforms/railway cd railway ## Resources - Check out the [Prisma docs]...

(QB_NEW_EN_OTHER)


[grammar] ~12-~12: Use correct spacing
Context: ...rms/railway cd railway ``` ## Resources - Check out the [Prisma docs](https://www....

(QB_NEW_EN_OTHER_ERROR_IDS_5)


[grammar] ~15-~15: There might be a mistake here.
Context: ... feedback and interact with other users. - [Subscribe to our YouTube channel](https:...

(QB_NEW_EN)

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🔇 Additional comments (2)
deployment-platforms/railway/prisma/migrations/migration_lock.toml (1)

1-3: LGTM: lockfile checked in as recommended

Keeping this file in VCS is correct for stable migration histories.

deployment-platforms/railway/prisma/schema.prisma (1)

3-3: Align client output with import path in src/index.ts

Generator outputs ../src/generated/prisma, but index.ts imports ./generated/prisma/client. Adjust the import in index.ts (see my comment there) or change output here to match.

@aidankmcalister aidankmcalister merged commit d2a2ce6 into latest Sep 5, 2025
44 checks passed
@aidankmcalister aidankmcalister deleted the railway-example-project branch September 5, 2025 18:12
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