feat: total refactoring of project, code, depns and workflow

Dockerfile

@@ -1,10 +1,31 @@
-FROM python:latest
+FROM python:3.10.2-slim-bullseye as base
 
-# Install dependencies.
-ADD requirements.txt /requirements.txt
-RUN pip install -r requirements.txt
+ENV PYTHONFAULTHANDLER=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONHASHSEED=random \
+    PYTHONDONTWRITEBYTECODE=1 \
+    # pip:
+    PIP_NO_CACHE_DIR=off \
+    PIP_DISABLE_PIP_VERSION_CHECK=on \
+    PIP_DEFAULT_TIMEOUT=100 \
+    # poetry:
+    POETRY_VERSION=1.1.13 \
+    POETRY_NO_INTERACTION=1 \
+    POETRY_VIRTUALENVS_CREATE=false \
+    POETRY_CACHE_DIR='/var/cache/pypoetry' \
+    PATH="$PATH:/root/.local/bin"
 
-# Copy code.
-ADD main.py /main.py
+WORKDIR /src
 
-CMD ["python", "/main.py"]
+# install poetry
+# RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -
+RUN pip install pipx
+RUN pipx install "poetry==$POETRY_VERSION"
+
+# install dependencies
+COPY pyproject.toml poetry.lock /src/
+RUN poetry install --no-dev --no-root --no-interaction --no-ansi
+
+# copy and run program
+COPY main.py /src/
+RUN python /src/main.py