Update poetry version to v1.2.0, resolve #1981

docker/Dockerfile

@@ -32,9 +32,9 @@ WORKDIR /tmp
 COPY backend/pyproject.toml backend/poetry.lock /tmp/
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
-RUN pip install --no-cache-dir pip==22.0.4 \
- && curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python - \
- && PATH="${PATH}:$HOME/.poetry/bin" \
+RUN pip install -U --no-cache-dir pip==22.2.2 \
+ && curl -sSL https://install.python-poetry.org | python - \
+ && export PATH="/root/.local/bin:$PATH" \
  && poetry export --without-hashes -o /requirements.txt \
  && echo "psycopg2-binary==2.8.6" >> /requirements.txt \
  && echo "django-heroku==0.3.1" >> /requirements.txt \

docker/Dockerfile.prod

@@ -22,9 +22,9 @@ RUN apt-get update \
     unixodbc-dev=2.* \
     g++=4:* \
     curl \
- && pip install --upgrade --no-cache-dir pip \
- && curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python - \
- && PATH="${PATH}:$HOME/.poetry/bin" \
+ && pip install --upgrade --no-cache-dir pip==22.2.2 \
+ && curl -sSL https://install.python-poetry.org | python - \
+ && export PATH="/root/.local/bin:$PATH" \
  && poetry config virtualenvs.create false \
  && poetry install --no-dev --no-root \
  && poetry add psycopg2-binary \