Update Python version to 3.11 and manage dependencies with Poetry

Dockerfile

@@ -1,5 +1,7 @@
 FROM python:3.11-slim-bookworm
 
+WORKDIR /bitwarden-to-keepass
+
 RUN apt-get update && \
     apt-get install -y --no-install-recommends wget unzip && \
     wget -O "bw.zip" "https://vault.bitwarden.com/download/?app=cli&platform=linux" && \
@@ -11,11 +13,13 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/* && \
     rm -rf bw.zip
 
-WORKDIR /bitwarden-to-keepass
-COPY requirements.txt ./
+RUN pip install --no-cache-dir poetry
 
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r requirements.txt
+RUN poetry config virtualenvs.create false
+
+COPY pyproject.toml poetry.lock ./
+
+RUN poetry install --only main --no-interaction --no-ansi
 
 COPY . .
 

pyproject.toml

@@ -7,7 +7,7 @@ license = "GPL-3.0-or-later"
 readme = "README.md"
 
 [tool.poetry.dependencies]
-python = "^3.10"
+python = "^3.11"
 pykeepass = ">=4.0,<5.0"