feat: setup project for docker deploy

backend/.env.example

@@ -0,0 +1,24 @@
+# Backend environment variables #
+
+# Must be a PostgreSQL db connection string
+DATABASE_URL=postgresql://user:password@localhost:5432/mydatabase
+
+# [dev, stage, prod]
+ENVIRONMENT=dev
+
+### use the below to generate a good salt
+# import secrets
+# print(secrets.token_urlsafe(32))
+###
+HASHIDS_SALT=default-insecure-salt
+
+### use the below to generate alphabet for encoder
+# import random
+# base61 = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789")
+# random.shuffle(base61)
+# print("".join(base61))
+###
+ENCODER_ALPHABET=CnArvIseYhld2BtZipybguVKaMx4QFkcR71DTLJEP65jUGzqmw9fSoXW83HNO
+
+### which origins are allowed to make cross origin requests (CORS)
+ALLOW_ORIGINS=http://localhost:3000,http://localhost:3030

backend/Dockerfile

@@ -0,0 +1,10 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

backend/config.py

@@ -1,5 +1,6 @@
 from pydantic_settings import BaseSettings
 from typing import Literal, List
+import os
 
 class Settings(BaseSettings):
     database_url: str
@@ -9,12 +10,11 @@ class Settings(BaseSettings):
     allow_origins: str
 
     class Config:
-        env_file = ".env"
+        env_file = os.path.join(os.path.dirname(__file__), ".env")
         env_file_encoding = "utf-8"
 
     def get_allow_origins(self) -> List[str]:
         return [origin.strip() for origin in self.allow_origins.split(",")]
-    
 
 # Singleton instance of settings
-settings = Settings()
+settings = Settings()

backend/main.py

@@ -19,9 +19,8 @@ app.add_middleware(
 async def startup():
     await database.connect()
 
-    # only create missing tables in dev environment
-    if settings.environment == "dev":
-        Base.metadata.create_all(bind=engine)
+    # create tables if they don't exist
+    Base.metadata.create_all(bind=engine)
 
 @app.on_event("shutdown")
 async def shutdown():

backend/requirements.txt

@@ -0,0 +1,31 @@
+alembic==1.16.4
+annotated-types==0.7.0
+anyio==4.9.0
+astroid==3.3.11
+asyncpg==0.30.0
+click==8.2.1
+databases==0.9.0
+dill==0.4.0
+fastapi==0.116.1
+greenlet==3.2.3
+h11==0.16.0
+hashids==1.3.1
+idna==3.10
+isort==6.0.1
+Mako==1.3.10
+MarkupSafe==3.0.2
+mccabe==0.7.0
+platformdirs==4.3.8
+psycopg2-binary==2.9.10
+pydantic==2.11.7
+pydantic-settings==2.10.1
+pydantic_core==2.33.2
+pylint==3.3.7
+python-dotenv==1.1.1
+sniffio==1.3.1
+SQLAlchemy==2.0.41
+starlette==0.47.2
+tomlkit==0.13.3
+typing-inspection==0.4.1
+typing_extensions==4.14.1
+uvicorn==0.35.0

backend/routes/shortener.py

@@ -22,7 +22,7 @@ async def redirect_to_original_url(shortcode: str):
         raise HTTPException(status_code=404, detail=str(e)) from e
 
 
-@router.post("/")
+@router.post("/api/shorten")
 async def create_url_shortcode(url_payload: UrlPayload):
     url = str(url_payload.url)