build: dockerize

.dockerignore

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+.git/
+__pycache__
+guide/site

Dockerfile

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+# syntax=docker/dockerfile:1.3
+FROM python:3.10-alpine as base
+WORKDIR /app
+
+FROM base as builder
+RUN apk add --no-cache gcc musl-dev libffi-dev
+
+ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    POETRY_VERSION=1.1.13
+
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install poetry==$POETRY_VERSION
+RUN python -m venv /venv
+
+COPY pyproject.toml poetry.lock ./
+RUN --mount=type=cache,target=/root/.cache/pip \
+    poetry export -f requirements.txt | /venv/bin/pip install -r /dev/stdin
+
+FROM base as runner
+COPY --from=builder /venv /venv
+COPY tgpy tgpy
+
+ENV TGPY_DATA=/data
+VOLUME /data
+
+ENTRYPOINT ["/venv/bin/python", "-m", "tgpy"]