Add application file

Dockerfile

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+FROM continuumio/miniconda3
+
+RUN apt-get update -y 
+RUN apt-get install nano unzip curl -y
+
+# THIS IS SPECIFIC TO HUGGINFACE
+# We create a new user named "user" with ID of 1000
+RUN useradd -m -u 1000 user
+# We switch from "root" (default user when creating an image) to "user" 
+USER user
+# We set two environmnet variables 
+# so that we can give ownership to all files in there afterwards
+# we also add /home/user/.local/bin in the $PATH environment variable 
+# PATH environment variable sets paths to look for installed binaries
+# We update it so that Linux knows where to look for binaries if we were to install them with "user".
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# We set working directory to $HOME/app (<=> /home/user/app)
+WORKDIR $HOME/app
+
+# Install basic dependencies
+RUN pip install boto3 pandas gunicorn streamlit scikit-learn matplotlib seaborn plotly
+
+# Copy all local files to /home/user/app with "user" as owner of these files
+# Always use --chown=user when using HUGGINGFACE to avoid permission errors
+COPY --chown=user . $HOME/app
+
+COPY requirements.txt /dependencies/requirements.txt
+RUN pip install -r /dependencies/requirements.txt
+
+COPY . $HOME/app
+
+CMD fastapi run app.py --port $PORT
+# CMD gunicorn app:app --bind 0.0.0.0:$PORT --worker-class uvicorn.workers.UvicornWorker 

app.py

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+import uvicorn
+from fastapi import FastAPI
+
+app = FastAPI()
+
+@app.get("/")
+async def index():
+
+    message = "Hello world! This `/` is the most simple and default endpoint. If you want to learn more, check out documentation of the api at `/docs`"
+
+    return message

requirements.txt

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+fastapi[standard]
+pydantic 
+typing 
+pandas 
+openpyxl 
+mlflow 
+boto3 
+scikit-learn
+python-multipart
+fsspec
+s3fs