Initial commit

.gitignore

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+env

Dockerfile

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+# First stage
+FROM python:3.9.1 AS builder
+
+ENV VIRTUAL_ENV=/opt/venv
+RUN python3 -m venv ${VIRTUAL_ENV}
+ENV PATH="${VIRTUAL_ENV}/bin:${PATH}"
+
+RUN pip install --upgrade pip && pip install pip-tools
+
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+# Second stage
+FROM python:3.9.1-slim
+COPY --from=builder ${VIRTUAL_ENV} ${VIRTUAL_ENV}
+WORKDIR /code
+
+# add non-root user
+RUN addgroup --system user && adduser --system --no-create-home --group user
+RUN chown -R user:user /code && chmod -R 755 /code
+
+USER user
+
+COPY src/ /code
+
+ENV PATH=/opt/venv/bin:${PATH}
+
+CMD [ "python", "./server.py" ]

requirements.txt

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+Flask==1.1.2

src/server.py

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+from flask import Flask
+server = Flask(__name__)
+
+
+@server.route("/")
+def hello():
+    return "Hello World!"
+
+
+if __name__ == "__main__":
+    server.run(host='0.0.0.0')