added docker support

backend/.dockerignore

@@ -0,0 +1,10 @@
+.venv
+__pycache__
+*.pyc
+*.pyo
+.pytest_cache
+.coverage
+htmlcov
+.env
+.env.*
+*.md

backend/Dockerfile

@@ -0,0 +1,27 @@
+# syntax=docker/dockerfile:1
+FROM python:3.12-alpine AS builder
+
+WORKDIR /app
+
+RUN pip install --no-cache-dir --upgrade pip
+
+COPY requirements.txt .
+RUN pip wheel --no-cache-dir --wheel-dir /wheels -r requirements.txt
+
+# ---
+FROM python:3.12-alpine AS runtime
+
+RUN addgroup -g 1001 -S appgroup && adduser -S appuser -u 1001 -G appgroup
+
+WORKDIR /app
+
+COPY --from=builder /wheels /wheels
+RUN pip install --no-cache-dir /wheels/* && rm -rf /wheels
+
+COPY --chown=appuser:appgroup main.py .
+
+USER appuser
+
+EXPOSE 8000
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

backend/main.py

@@ -1,3 +1,4 @@
+import os
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
@@ -7,9 +8,10 @@ app = FastAPI(
     version="0.1.0",
 )
 
+_cors_origins = os.getenv("CORS_ORIGINS", "http://localhost:5173").split(",")
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["http://localhost:5173"],
+    allow_origins=[o.strip() for o in _cors_origins if o.strip()],
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],