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Dockerfile

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+## use the official python 3.9 image
+FROM python:3.9
+
+## set the working directory to/code
+WORKDIR /code
+
+## copy the current directory contents into the container at /code
+COPY .requirements.txt /code/requirements.txt
+
+## install dependencies
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+##set up a new user named "user"
+RUN useradd user
+
+##Switch to the new user "user"
+USER user
+
+## set home to user's home directory
+
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# set the working directory to user's home directory
+
+WORKDIR $HOME/app
+COPY --chown=user . $HOME/app
+
+#start the fastapi server
+CMD [ "uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]

app.py

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+from fastapi import FastAPI
+from transformers import pipeline
+
+#create fastapi instance
+app= FastAPI()
+
+# Use a pipeline as a high-level helper
+pipe = pipeline("text2text-generation", model="google/flan-t5-small")
+
+@app.get("/")
+
+def home():
+    return {
+        'message': 'hello world'
+    }
+
+@app.get('/generate')
+
+def generate(text:str):
+    ##use pipeline to generate text from given input text
+    output= pipe(text)
+    #return generated text in json
+    return {"output": output[0]['generated_text']}

requirements.txt

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+fastapi==0.74.*
+requests==2.27.*
+uvicorn[standard]==0.17.*
+sentencepiece==0.1.*
+torch==1.11.*
+transformers==4.*