Dockerizing for deployment!

Author: KnightChaser

.env

@@ -9,7 +9,7 @@ JWT_SECRET_KEY="KCXU$3R$3CR3T4JWT_"
 JWT_TOKEN_EXPIRES_MINUTES=360 # 6 hours
 
 # A custom API server built with Redis
-REDIS_HOST="localhost"
+REDIS_HOST="db-redis"
 REDIS_PORT=6379
 REDIS_DB=0
-REDIS_UDPATE_INTERVAL_IN_SECONDS=1
+REDIS_UDPATE_INTERVAL_IN_SECONDS=1

Dockerfile.backend

@@ -0,0 +1,14 @@
+# Dockerfile for FastAPI backend
+
+FROM python:3.12-slim
+WORKDIR /app
+COPY requirements.txt .
+RUN apt-get update && apt-get install -y gcc
+RUN pip install --no-cache-dir -r requirements.txt
+COPY . .
+
+# Expose the port the app runs on
+EXPOSE 8000
+
+# Command to run the app
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

Dockerfile.frontend

@@ -0,0 +1,15 @@
+# Dockerfile for Svelte frontend
+
+FROM node:16
+WORKDIR /app
+COPY frontend/package*.json ./
+RUN npm install
+COPY frontend .
+# No need to run the build step for development
+# RUN npm run build
+
+# Expose the port the dev server runs on
+EXPOSE 5173
+
+# Command to run the app in development mode
+CMD ["npm", "run", "dev", "--", "--host"]

docker-compose.yml

@@ -0,0 +1,52 @@
+version: '3.12'
+
+networks:
+  kcx-network:
+    driver: bridge
+
+services:
+  backend:
+    build:
+      context: .
+      dockerfile: Dockerfile.backend
+    env_file: 
+      - .env
+    ports:
+      - "8000:8000"
+    depends_on:
+      - db-redis
+      - db-sqlite3
+    networks:
+      - kcx-network
+
+  frontend:
+    build:
+      context: .
+      dockerfile: Dockerfile.frontend
+    ports:
+      - "3000:3000"
+      - "5173:5173"
+    depends_on:
+      - backend
+    environment:
+      VITE_BASE_URL: "http://backend:8000"
+    networks:
+      - kcx-network
+
+  db-redis:
+    image: "redis:alpine"
+    ports:
+      - "6379:6379"
+    networks:
+      - kcx-network
+
+  db-sqlite3:
+    image: "nouchka/sqlite3"
+    volumes:
+      - ./data:/data
+    environment:
+      SQLITE_DATABASE: "kcx.db"
+    ports:
+      - "8080:8080"
+    networks:
+      - kcx-network

frontend/package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "dev": "vite",
     "build": "vite build",
-    "preview": "vite preview"
+    "preview": "vite preview --host"
   },
   "devDependencies": {
     "@sveltejs/vite-plugin-svelte": "^3.0.2",

frontend/vite.config.js

@@ -4,4 +4,4 @@ import { svelte } from '@sveltejs/vite-plugin-svelte'
 // https://vitejs.dev/config/
 export default defineConfig({
   plugins: [svelte()],
-})
+})

main.py

@@ -1,3 +1,5 @@
+# main.py
+
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
@@ -25,10 +27,10 @@ async def lifespan(app: FastAPI):
     load_dotenv()
 
     # Get Redis connection information from environment variables
-    redis_host:str                  = os.getenv("REDIS_HOST", "localhost")
+    redis_host:str                  = os.getenv("REDIS_HOST", "db-redis")  # Use new service name
     redis_port:int                  = int(os.getenv("REDIS_PORT", 6379))
-    redis_database:int              = int(os.getenv("REDIS_DATABASE", 0))
-    update_interval_in_seconds:int  = int(os.getenv("UPDATE_INTERVAL_IN_SECONDS", 1))
+    redis_database:int              = int(os.getenv("REDIS_DB", 0))
+    update_interval_in_seconds:int  = int(os.getenv("REDIS_UDPATE_INTERVAL_IN_SECONDS", 1))
     console.log(f"Setting up the Redis database at {redis_host}:{redis_port}/{redis_database} (update interval: {update_interval_in_seconds} seconds)")
     start_fetch_and_store_market_data(redis_host=redis_host, 
                                       redis_port=redis_port, 
@@ -69,7 +71,7 @@ async def lifespan(app: FastAPI):
         console.log(
             f"Test account created because it didn't exist [bold](UUID: {user_uuid})[/bold]")
 
-        # Manully insert the balance for the test account
+        # Manually insert the balance for the test account
         from models import Balance
         db = SessionLocal()
         new_balance = Balance(user_id=new_user.id,
@@ -85,11 +87,13 @@ async def lifespan(app: FastAPI):
 app = FastAPI(lifespan=lifespan)
 
 allowed_origins: list = [
-    "http://localhost:5173",
+    "http://localhost:5173",  # Vite dev server default
+    "http://localhost:4173",  # Vite preview default
+    "http://frontend:4173"    # Frontend service in Docker
 ]
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=["*"],
+    allow_origins=allowed_origins,
     allow_credentials=True,
     allow_methods=["*"],
     allow_headers=["*"],

requirements.txt

@@ -1,6 +1,9 @@
 fastapi==0.111.0
-pydantic==2.7.1
+pydantic==2.7.2
+PyJWT==2.8.0
 python-dotenv==1.0.1
-python_bcrypt==0.3.2
+bcrypt==4.1.2
+redis==5.0.4
+Requests==2.32.3
 rich==13.7.1
 SQLAlchemy==2.0.29