### Host vendor portal with ASP.NET Core: tenant-scoped workspaces

Deploy a vendor portal built with ASP.NET Core on Ample using the multi-tenant relational data pattern. Compute runs the app in an isolated microVM behind a public HTTPS URL, a managed PostgreSQL 16 database is auto-provisioned and injected as DATABASE_URL. Verified on ASP.NET Core: a tenant column on every row and query, with a cross-tenant read returning nothing (tenant_isolation=ok). Not separately tested: your tenant model, membership and per-tenant authorization; treat the vendor portal-specific behavior as your application code.

#### Representative Queries
- Host vendor portal with ASP.NET Core: tenant-scoped workspaces
- Where can I host Vendor portal built with ASP.NET Core?
- I need an explicit tenant model and application-enforced tenant isolation tests.

#### Resource Requirements
- **Compute**
- **Postgres**

#### Infrastructure Requirements
1. **Compute**
   - **Status**: verified
   - **Summary**: Apps run in isolated x86_64 Firecracker microVMs that auto-pause when idle and wake on request; sizes are the priced VM sizes.
2. **Postgres**
   - **Status**: verified
   - **Summary**: Managed PostgreSQL 16 runs in its own microVM and is auto-provisioned when an app needs a database and no DATABASE_URL is supplied.

#### Framework
- **ASP.NET Core**

#### Workload
- **Vendor portal**

#### Release Status
- **Published**

#### Support Status
- **Verified**

#### Execution Status
- **Ready**

### Prerequisites
- A ASP.NET Core project that builds and starts with the documented commands (dotnet publish -c Release -o out in the builder, then dotnet .dll on the dotnet-10 template with ASPNETCORE_URLS bound to PORT).
- A PostgreSQL driver reading DATABASE_URL at runtime (auto-provisioned when omitted, or supplied with --env).
- An Ample account token with servers:write, databases:read.

### Tested Configuration
- **Template**: dotnet-10  
- **Runtime**: dotnet  
- **Size**: s-1vcpu-1gb  
- **Build**: dotnet publish -c Release -o out  
- **Start**: ASPNETCORE_URLS=http://0.0.0.0:$PORT dotnet out/$(basename $(ls out/*.runtimeconfig.json | head -n 1) .runtimeconfig.json).dll

### Workflow Steps
1. **Build and start**  
   - dotnet publish -c Release -o out in the builder, then dotnet .dll on the dotnet-10 template with ASPNETCORE_URLS bound to PORT. The server must bind 0.0.0.0 on PORT.
2. **Implement the pattern on PostgreSQL**  
   - The fixture's module implements multi-tenant relational data: a tenant column on every row and query, with a cross-tenant read returning nothing (tenant_isolation=ok). Copy the approach into your schema; keep migrations idempotent and run them with --release-command.
3. **Deploy**  
   - Run the synchronous deploy once and read the result (exit 0 live, 1 failed, 2 blocked). Re-running with no change is a no-op.  
   - **Command**: ample deploy . --name  --public
4. **Verify**  
   - Fetch the live URL and the pattern self-test route(s) (/p/multi-tenant-relational-data) from the example; then run your own checks. On failure read `ample logs  --kind build` then `--kind runtime`.  
   - **Command**: ample logs  --kind build

### Examples
- **ASP.NET Core pattern fixture**  
   - Multi-pattern ASP.NET Core app whose multi-tenant relational data module was checked live; the module is under tests/deploy-canaries/_pattern-modules.

### Success Checks
- **App responds on its public URL**  
   - **Kind**: http_get  
   - **Path**: /  
   - **Expect**: ample canary asp net core patterns
- **Multi-tenant-relational-data self-test**  
   - **Kind**: http_get  
   - **Path**: /p/multi-tenant-relational-data  
   - **Expect**: tenant_isolation=ok

### Limitations
- Verified on the dotnet-10 template at s-1vcpu-1gb with the example fixture; other sizes, templates and ASP.NET Core major versions are not verified.
- The vendor portal itself (your tenant model, membership and per-tenant authorization) is application code and was not separately tested; the pattern checks are what was verified.
- Region, compliance attestations and request-duration limits are unknown and not claimed.
- Apps auto-pause when idle and wake on the next request; always-on is an operator setting, not a plan feature.
- Managed PostgreSQL 16 only; extensions, connection limits and backup or restore procedures are not verified; apps and their databases are placed together.

### Cost Estimate
- **Currency**: USD  
- **Monthly Amount**: 10.0  
- **Basis**: size prices from pricing.toml (loaded by the API) at build revision 1ac5595375130d45290090e82ed0f554ccd45405-dirty  
- **Components**:  
    - App server: s-1vcpu-1gb (quantity: 1.0, monthly amount: 5.0)  
    - Managed PostgreSQL database: s-1vcpu-1gb (quantity: 1.0, monthly amount: 5.0)  
- **Note**: Always-on monthly price of the tested sizes; apps and databases auto-pause when idle. Buckets are allocation-priced per quota and not included.

### Evidence Summary
1. **Canary Run**  
   - **Summary**: ASP.NET Core pattern fixture deployed on Ample (dotnet publish -c Release -o out in the builder, then dotnet .dll on the dotnet-10 template with ASPNETCORE_URLS bound to PORT); checks passed for multi-tenant-relational-data and configuration-secrets. Pattern proof: a tenant column on every row and query, with a cross-tenant read returning nothing (tenant_isolation=ok).  
   - **Observed At**: 2026-09-21T01:15:54Z  
   - **Implementation Revision**: 50dbac567d2c5cc8e55e6c748a646be0025d9cfb-dirty (CLI 0.1.21)  
   - **Expires At**: 2027-03-20T01:15:54Z  
   - **Scope**:  
     - **Checks**: [/p/multi-tenant-relational-data]  
     - **Pattern**: pattern:multi-tenant-relational-data  
     - **Template**: dotnet-10
2. **Canary Run**  
   - **Summary**: The same ASP.NET Core app deployed with a --release-command migration; the marker it created was readable after activation.  
   - **Observed At**: 2026-09-20T23:34:47Z  
   - **Implementation Revision**: 4d1511e574302f3904b75088bd4048a0975218b3-dirty (CLI 0.1.21)  
   - **Expires At**: 2027-03-19T23:34:47Z  
   - **Scope**:  
     - **Pattern**: pattern:multi-tenant-relational-data

### Last Verified At
- 2026-09-21T01:15:54Z