refactor: update Dockerfile to correct working directory and install requirements

Author: viraj-sh

Dockerfile

@@ -1,17 +1,18 @@
 FROM python:3.11-slim AS base
 
-WORKDIR /api
+WORKDIR /app
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
     && rm -rf /var/lib/apt/lists/*
 
-COPY requirements.txt .
-RUN pip install --no-cache-dir --upgrade pip \
-    && pip install --no-cache-dir -r requirements.txt
-
 COPY . .
 
+RUN pip install --no-cache-dir --upgrade pip &&\
+    pip install --no-cache-dir -r requirements/base.txt
+
+WORKDIR /app/app
+
 EXPOSE 8000
 
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]