Merge pull request #10 from DEFRA/fix-entrypoint

Add Application Entrypoint

Author: christopherjturner

Dockerfile

@@ -10,6 +10,7 @@ ENV LOG_CONFIG="logging-dev.json"
 
 USER root
 
+# curl is required for CDP health checks
 # Install curl via Debian 13 (trixie) backport to patch CVE-2025-0725
 RUN echo "deb https://deb.debian.org/debian bookworm-backports main" > /etc/apt/sources.list.d/bookworm-backports.list \
     && apt update \

app/config.py

@@ -4,6 +4,7 @@
 
 class AppConfig(BaseSettings):
     model_config = SettingsConfigDict()
+    python_env: str | None = None
     host: str | None = None
     port: int | None = None
     log_config: str | None = None

app/main.py

@@ -1,10 +1,12 @@
 from contextlib import asynccontextmanager
 from logging import getLogger
 
+import uvicorn
 from fastapi import FastAPI
 
 from app.common.mongo import get_mongo_client
 from app.common.tracing import TraceIdMiddleware
+from app.config import config
 from app.example.router import router as example_router
 from app.health.router import router as health_router
 
@@ -31,3 +33,17 @@ async def lifespan(_: FastAPI):
 # Setup Routes
 app.include_router(health_router)
 app.include_router(example_router)
+
+
+def main() -> None:
+    uvicorn.run(
+        "app.main:app",
+        host=config.host,
+        port=config.port,
+        log_config=config.log_config,
+        reload=config.python_env == "development"
+    )
+
+
+if __name__ == "__main__":
+    main()

compose.yml

@@ -55,6 +55,7 @@ services:
       PORT: ${PORT:-8085}
       AWS_ENDPOINT_URL: ${AWS_ENDPOINT_URL:-http://localstack:4566}
       MONGO_URI: ${MONGO_URI:-mongodb://mongodb:27017/}
+      HOST: ${HOST:-0.0.0.0}
     develop:
       watch:
         - action: sync