Optimize docker container size

.dockerignore

@@ -0,0 +1,7 @@
+testdata
+testcase
+docs
+example_outputs
+.github
+.venv
+.coverage

.github/workflows/python.yml

@@ -29,9 +29,6 @@ jobs:
         uses: abatilo/actions-poetry@f295866fdd47fe14b18927b0908ac25ef3d5009a
         with:
           poetry-version: "1.3.2"
-      - uses: actions/setup-go@v4
-        with:
-          go-version: '>=1.19.0'
       - name: Install dependencies
         run: |
           poetry install

.gitignore

@@ -11,3 +11,4 @@ dist
 flow*
 swagger
 .vscode
+.coverage

Dockerfile

@@ -1,20 +1,26 @@
-FROM python:3.10-alpine
-
+FROM python:3.10-alpine as base
+ENV PYTHONFAULTHANDLER=1 \
+    PYTHONHASHSEED=random \
+    PYTHONUNBUFFERED=1
+FROM python:3.10-alpine AS builder
+ENV PIP_DEFAULT_TIMEOUT=100 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1 \
+    PIP_NO_CACHE_DIR=1 
 WORKDIR /app
-
 RUN apk update && \
     apk upgrade && \
     apk add gcc libc-dev libffi-dev cargo && \
     python -m pip install --upgrade pip && \
     pip install poetry
-
-
+RUN python -m venv /venv
 COPY ["pyproject.toml", "./"]
-
-RUN poetry install
-
+COPY ["poetry.lock", "./"]
+RUN poetry export -f requirements.txt | /venv/bin/pip install -r /dev/stdin
 COPY . .
+RUN poetry build && /venv/bin/pip install dist/*.whl
 
-RUN pip install .
-
+FROM base AS final
+WORKDIR /app
+COPY --from=builder /venv /venv
+ENV PATH="/venv/bin:${PATH}"
 CMD [ "mitmproxy2swagger" ]