From 50b4e5dd7534c03c75209b96cacf246b1d01bf55 Mon Sep 17 00:00:00 2001
From: Jakob Edding <15202881+jkbe@users.noreply.github.com>
Date: Wed, 7 Oct 2026 12:41:33 +0200
Subject: [PATCH] build: Update to Poetry v2

---
 .github/workflows/ci.yml      |  4 +-
 .github/workflows/publish.yml |  2 +-
 Dockerfile                    |  4 +-
 backend/README.md             |  2 +-
 backend/poetry.lock           | 18 ++++-----
 backend/pyproject.toml        | 75 ++++++++++++++++++-----------------
 6 files changed, 53 insertions(+), 52 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dd725d5d..61e618f7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       working-directory: ./backend
-      poetry-version: "1.3.2"
+      poetry-version: "2.5.1"
     strategy:
       fail-fast: false
       matrix:
@@ -36,7 +36,7 @@ jobs:
           working-directory: ${{ env.working-directory }}
 
       - name: Install dependencies
-        run: poetry install --no-interaction
+        run: poetry sync --no-interaction
 
       - name: Lint (flake8)
         run: poetry run pre-commit run flake8 --all-files --show-diff-on-failure
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index c9038be8..b65fb2ea 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -17,7 +17,7 @@ jobs:
     env:
       BACKEND_DIR: ./backend
       python-version: "3.10"
-      poetry-version: "1.3.2"
+      poetry-version: "2.5.1"
     steps:
       - uses: actions/checkout@v3
         with:
diff --git a/Dockerfile b/Dockerfile
index b8684688..5e736193 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,10 +22,10 @@ WORKDIR /app
 
 COPY ./backend/pyproject.toml ./backend/poetry.lock /app/
 ENV PIP_NO_CACHE_DIR=1
-RUN pip install poetry==1.8.5 && \
+RUN pip install poetry==2.5.1 && \
     python -m venv --copies /app/venv && \
     . /app/venv/bin/activate && \
-    poetry install --without=dev --no-interaction
+    poetry sync --without=dev --no-interaction
 
 FROM python:3.10-slim AS prod
 
diff --git a/backend/README.md b/backend/README.md
index bf5ac735..665df04c 100644
--- a/backend/README.md
+++ b/backend/README.md
@@ -84,7 +84,7 @@ helm upgrade --install --values helm-chart/values.yaml streams-explorer streams-
 1. Install dependencies using [Poetry](https://python-poetry.org)
 
 ```sh
-poetry install
+poetry sync
 ```
 
 2. Forward the ports to Prometheus. (Kafka Connect, Schema Registry, and other integrations are optional)
diff --git a/backend/poetry.lock b/backend/poetry.lock
index 55b51092..72e906ea 100644
--- a/backend/poetry.lock
+++ b/backend/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 2.1.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 2.5.1 and should not be changed by hand.
 
 [[package]]
 name = "aiohttp"
@@ -141,7 +141,7 @@ description = "Timeout context manager for asyncio programs"
 optional = false
 python-versions = ">=3.7"
 groups = ["main"]
-markers = "python_version < \"3.11\""
+markers = "python_version == \"3.10\""
 files = [
     {file = "async-timeout-4.0.3.tar.gz", hash = "sha256:4640d96be84d82d02ed59ea2b7105a0f7b33abe8703703cd0ab0bf87c427522f"},
     {file = "async_timeout-4.0.3-py3-none-any.whl", hash = "sha256:7405140ff1230c310e51dc27b3145b9092d659ce68ff733fb0cefe3ee42be028"},
@@ -607,7 +607,7 @@ description = "Backport of PEP 654 (exception groups)"
 optional = false
 python-versions = ">=3.7"
 groups = ["main", "dev"]
-markers = "python_version < \"3.11\""
+markers = "python_version == \"3.10\""
 files = [
     {file = "exceptiongroup-1.2.1-py3-none-any.whl", hash = "sha256:5258b9ed329c5bbdd31a309f53cbfb0b155341807f6ff7606a1e801a891b29ad"},
     {file = "exceptiongroup-1.2.1.tar.gz", hash = "sha256:a4785e48b045528f5bfe627b6ad554ff32def154f42372786903b7abcfe1aa16"},
@@ -630,7 +630,7 @@ files = [
 
 [package.dependencies]
 anyio = ">=3.7.1,<4.0.0"
-pydantic = ">=1.7.4,<1.8 || >1.8,<1.8.1 || >1.8.1,<2.0.0 || >2.0.0,<2.0.1 || >2.0.1,<2.1.0 || >2.1.0,<3.0.0"
+pydantic = ">=1.7.4,!=1.8,!=1.8.1,!=2.0.0,!=2.0.1,!=2.1.0,<3.0.0"
 starlette = ">=0.27.0,<0.28.0"
 typing-extensions = ">=4.5.0"
 
@@ -1203,7 +1203,7 @@ files = [
 
 [package.dependencies]
 aiohttp = ">=3.9.0,<4.0.0"
-certifi = ">=14.05.14"
+certifi = ">=14.5.14"
 python-dateutil = ">=2.5.3"
 pyyaml = ">=3.12"
 six = ">=1.9.0"
@@ -2254,7 +2254,7 @@ description = "A lil' TOML parser"
 optional = false
 python-versions = ">=3.7"
 groups = ["dev"]
-markers = "python_full_version < \"3.11.0a7\""
+markers = "python_version == \"3.10\""
 files = [
     {file = "tomli-2.0.1-py3-none-any.whl", hash = "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc"},
     {file = "tomli-2.0.1.tar.gz", hash = "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"},
@@ -2309,7 +2309,7 @@ h11 = ">=0.8"
 httptools = {version = ">=0.5.0", optional = true, markers = "extra == \"standard\""}
 python-dotenv = {version = ">=0.13", optional = true, markers = "extra == \"standard\""}
 pyyaml = {version = ">=5.1", optional = true, markers = "extra == \"standard\""}
-uvloop = {version = ">=0.14.0,<0.15.0 || >0.15.0,<0.15.1 || >0.15.1", optional = true, markers = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\" and extra == \"standard\""}
+uvloop = {version = ">=0.14.0,!=0.15.0,!=0.15.1", optional = true, markers = "sys_platform != \"win32\" and sys_platform != \"cygwin\" and platform_python_implementation != \"PyPy\" and extra == \"standard\""}
 watchfiles = {version = ">=0.13", optional = true, markers = "extra == \"standard\""}
 websockets = {version = ">=10.4", optional = true, markers = "extra == \"standard\""}
 
@@ -2675,5 +2675,5 @@ multidict = ">=4.0"
 
 [metadata]
 lock-version = "2.1"
-python-versions = "^3.10"
-content-hash = "1b8dba460d00898cf3eddc666ff426391ed74853245bebbd4d68c1364a850cdb"
+python-versions = ">=3.10,<4.0"
+content-hash = "3ddb14092729d31f025fd972edbe706de95035359068e5f1fcae0ac575d583c8"
diff --git a/backend/pyproject.toml b/backend/pyproject.toml
index 798d9664..c7cbe033 100644
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
@@ -1,14 +1,12 @@
-[tool.poetry]
+[project]
 name = "streams-explorer"
 version = "2.4.2"
 description = "Explore Data Pipelines in Apache Kafka."
 readme = "README.md"
-authors = ["bakdata"]
-repository = "https://github.com/bakdata/streams-explorer"
+authors = [{ name = "bakdata" }]
 license = "MIT"
 keywords = ["kafka", "kubernetes", "stream-processing", "monitoring", "pipelines"]
 classifiers = [
-  "License :: OSI Approved :: MIT License",
   "Programming Language :: Python",
   "Programming Language :: Python :: 3",
   "Programming Language :: Python :: 3 :: Only",
@@ -19,43 +17,46 @@ classifiers = [
   "Intended Audience :: Developers",
   "Typing :: Typed",
 ]
+requires-python = ">=3.10,<4.0"
+dependencies = [
+  "loguru>=0.5.3,<0.6.0",
+  "matplotlib>=3.4.3,<4.0.0",
+  "networkx>=2.6.3,<3.0.0",
+  "dynaconf>=3.1.7,<4.0.0",
+  "httpx>=0.23.1,<0.24.0",
+  "pydantic>=1.9.1,<2.0.0",
+  "fastapi-utils>=0.2.1,<0.3.0",
+  "fastapi>=0.103.1,<0.104.0",
+  "uvicorn[standard]>=0.20.0,<0.21.0",
+  "pygraphviz>=1.10,<2.0",
+  "confluent-kafka==2.4.0",
+  "cachetools>=4.2.2,<5.0.0",
+  "kubernetes-asyncio>=32.0.0,<33.0.0",
+]
 
-[tool.poetry.urls]
+[project.urls]
+Repository = "https://github.com/bakdata/streams-explorer"
 "Bug Tracker" = "https://github.com/bakdata/streams-explorer/issues"
 
-[tool.poetry.dependencies]
-python = "^3.10"
-loguru = "^0.5.3"
-matplotlib = "^3.4.3"
-networkx = "^2.6.3"
-dynaconf = "^3.1.7"
-httpx = "^0.23.1"
-pydantic = "^1.9.1"
-fastapi-utils = "^0.2.1"
-fastapi = "^0.103.1"
-uvicorn = { extras = ["standard"], version = "^0.20.0" }
-pygraphviz = "^1.10"
-confluent-kafka = "2.4.0"
-cachetools = "^4.2.2"
-kubernetes-asyncio = "^32.0.0"
-
-[tool.poetry.group.dev.dependencies]
-mypy = "^0.981"
-flake8 = "^4.0.1"
-black = "^22.6.0"
-isort = "^5.12.0"
-pytest = "^7.2.0"
-pre-commit = "^2.15.0"
-pytest-asyncio = "^0.20.1"
-pytest-clarity = "^1.0.1"
-pytest-cov = "^4.0.0"
-pytest-mock = "^3.6.1"
-respx = "^0.20.1"
-requests = "^2.27.1"
-
-[tool.poetry.scripts]
+[project.scripts]
 start = "main:start"
 
+[dependency-groups]
+dev = [
+  "mypy>=0.981,<0.982",
+  "flake8>=4.0.1,<5.0.0",
+  "black>=22.6.0,<23.0.0",
+  "isort>=5.12.0,<6.0.0",
+  "pytest>=7.2.0,<8.0.0",
+  "pre-commit>=2.15.0,<3.0.0",
+  "pytest-asyncio>=0.20.1,<0.21.0",
+  "pytest-clarity>=1.0.1,<2.0.0",
+  "pytest-cov>=4.0.0,<5.0.0",
+  "pytest-mock>=3.6.1,<4.0.0",
+  "respx>=0.20.1,<0.21.0",
+  "requests>=2.27.1,<3.0.0",
+]
+
 [build-system]
-requires = ["poetry-core>=1.0.0"]
+requires = ["poetry-core>=2.0.0,<3.0.0"]
 build-backend = "poetry.core.masonry.api"