start working on docker

dockerfile

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+# syntax=docker/dockerfile:1.4
+FROM --platform=$BUILDPLATFORM python:alpine AS builder
+
+WORKDIR /app
+
+COPY requirements.txt /app
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip3 install -r requirements.txt
+
+COPY . /app
+
+ENTRYPOINT ["gunicorn"]
+CMD ["--bind","0.0.0.0:8000","main:app"]
+
+FROM builder as dev-envs
+
+RUN <<EOF
+apk update
+apk add git
+EOF
+
+RUN <<EOF
+addgroup -S docker
+adduser -S --shell /bin/bash --ingroup docker vscode
+EOF
+# install Docker tools (cli, buildx, compose)
+COPY --from=gloursdocker/docker / /