From 74be8307589f7cb2a9f714050f24d926dcfebee4 Mon Sep 17 00:00:00 2001
From: Mike Kell <mtkell@kellengineering.com>
Date: Thu, 17 Jul 2025 20:16:38 -0400
Subject: [PATCH] initial backend development

---
 backend/Dockerfile                  | 21 +++++++++++++++++++++
 backend/docker-compose.override.yml |  7 +++++++
 backend/main.py                     | 28 ++++++++++++++++++++++++++++
 backend/requirements.txt            |  5 +++++
 docker-compose.yml                  | 18 ++++++++++++++++++
 5 files changed, 79 insertions(+)
 create mode 100644 backend/Dockerfile
 create mode 100644 backend/docker-compose.override.yml
 create mode 100644 backend/main.py
 create mode 100644 backend/requirements.txt

diff --git a/backend/Dockerfile b/backend/Dockerfile
new file mode 100644
index 0000000..54d0e6c
--- /dev/null
+++ b/backend/Dockerfile
@@ -0,0 +1,21 @@
+# Use official lightweight Python image
+FROM python:3.11-slim
+
+# Set working directory inside container
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y gcc libpq-dev curl && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Expose port for internal use (not mapped publicly unless via NGINX)
+EXPOSE 8000
+
+# Run the FastAPI app with Uvicorn
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
diff --git a/backend/docker-compose.override.yml b/backend/docker-compose.override.yml
new file mode 100644
index 0000000..5bc86d4
--- /dev/null
+++ b/backend/docker-compose.override.yml
@@ -0,0 +1,7 @@
+version: '3.8'
+
+services:
+  complycore-api:
+    volumes:
+      - ./backend:/app
+    command: uvicorn main:app --host 0.0.0.0 --port 8000 --reload
diff --git a/backend/main.py b/backend/main.py
new file mode 100644
index 0000000..39c92dd
--- /dev/null
+++ b/backend/main.py
@@ -0,0 +1,28 @@
+from sqlalchemy import create_engine
+from dotenv import load_dotenv
+import os
+
+# Load .env vars
+load_dotenv()
+
+# Get env vars
+USER = os.getenv("user")
+PASSWORD = os.getenv("password")
+HOST = os.getenv("host")
+PORT = os.getenv("port")
+DBNAME = os.getenv("dbname")
+
+# Full SQLAlchemy URI for Session Pooler
+DATABASE_URL = (
+    f"postgresql+psycopg2://{USER}:{PASSWORD}@{HOST}:{PORT}/{DBNAME}?sslmode=require"
+)
+
+# Use NullPool to defer to Supabase's pooler
+from sqlalchemy.pool import NullPool
+engine = create_engine(DATABASE_URL, poolclass=NullPool)
+
+try:
+    with engine.connect() as conn:
+        print("✅ Supabase Session Pooler connection successful.")
+except Exception as e:
+    print(f"❌ Connection failed: {e}")
diff --git a/backend/requirements.txt b/backend/requirements.txt
new file mode 100644
index 0000000..a917863
--- /dev/null
+++ b/backend/requirements.txt
@@ -0,0 +1,5 @@
+fastapi==0.110.0
+uvicorn[standard]==0.27.1
+sqlalchemy==2.0.30
+psycopg2-binary==2.9.9
+python-dotenv==1.0.1
diff --git a/docker-compose.yml b/docker-compose.yml
index e69de29..a39f052 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -0,0 +1,18 @@
+
+services:
+  complycore-api:
+    build:
+      context: ./backend
+    container_name: complycore-api
+    restart: unless-stopped
+    env_file:
+      - ./backend/.env
+    networks:
+      - internal_only
+    expose:
+      - "8000"
+
+
+networks:
+  internal_only:
+    driver: bridge