Fix Python 3.14 compatibility: update pandas to flexible version and add Fly.io config with Python 3.12

Dockerfile

@@ -1,26 +1,18 @@
-FROM python:3.11-slim
+FROM python:3.12-slim
 
-# Set working directory
 WORKDIR /app
 
-# Install system dependencies
 RUN apt-get update && apt-get install -y \
-    gcc \
-    g++ \
+    gcc g++ \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy requirements and install Python dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy application code
 COPY . .
 
-# Create necessary directories
-RUN mkdir -p backend/runs backend/tmp frontend/web
+RUN mkdir -p backend/runs backend/tmp
 
-# Expose port
 EXPOSE 8000
 
-# Run the application
 CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]

fly.toml

@@ -0,0 +1,22 @@
+# fly.toml app configuration file
+app = "automl-studio"
+primary_region = "lax"
+
+[build]
+  dockerfile = "Dockerfile"
+
+[env]
+  PYTHONUNBUFFERED = "true"
+
+[http_service]
+  internal_port = 8000
+  force_https = true
+  auto_stop_machines = true
+  auto_start_machines = true
+  min_machines_running = 1
+  processes = ["app"]
+
+[[vm]]
+  cpu_kind = "shared"
+  cpus = 1
+  memory_mb = 512

requirements.txt

@@ -4,9 +4,9 @@ uvicorn[standard]==0.30.0
 pydantic==2.7.1
 
 # ── Data Processing ─────────────────────────────────────
-pandas==2.2.2
-numpy==1.26.4
-scipy==1.13.1
+pandas>=2.2.0
+numpy>=1.26.4
+scipy>=1.13.1
 
 # ── Machine Learning ────────────────────────────────────
 scikit-learn==1.5.0