refactor: seperate system into single Dockerfiles

apps/dashboard/dashboard/app.py

@@ -1,15 +1,8 @@
-import sys
-from pathlib import Path
-
 import duckdb
 import polars as pl
 import streamlit as st
 
-project_root = str(Path(__file__).parent.parent)
-if project_root not in sys.path:
-    sys.path.append(project_root)
-
-from utils.config_loader import settings
+from common.utils.config_loader import settings
 
 st.set_page_config(page_title="Strompreis & Netz Dashboard", layout="wide")
 

apps/dashboard/pyproject.toml

@@ -0,0 +1,15 @@
+[project]
+name = "dashboard"
+version = "0.1.0"
+description = "Streamlit dashboard for electricity price data"
+dependencies = [
+    "streamlit>=1.54.0",
+    "common",
+]
+
+[tool.uv.sources]
+common = { workspace = true }
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"

apps/pipeline-api/pipeline_api/api/main.py

@@ -2,17 +2,9 @@
 REST API for accessing processed electricity price and network data.
 """
 
-import sys
-from pathlib import Path
 from fastapi import FastAPI, HTTPException
-
-# Add project root to sys.path
-project_root = str(Path(__file__).parent.parent)
-if project_root not in sys.path:
-    sys.path.append(project_root)
-
-from utils import database as db
-from utils.config_loader import settings
+from common.utils import database as db
+from common.utils.config_loader import settings
 
 app = FastAPI(
     title="Strompreis API",

apps/pipeline-api/pipeline_api/main.py

@@ -7,10 +7,10 @@ import sys
 import logging
 import click
 import polars as pl
-from collectors import smard, weather
-from transformators import transformator
-from utils import database as db
-from utils.config_loader import settings
+from common.collectors import smard, weather
+from common.transformators import transformator
+from common.utils import database as db
+from common.utils.config_loader import settings
 
 # Structured logging configuration
 logging.basicConfig(

apps/pipeline-api/pyproject.toml

@@ -0,0 +1,20 @@
+[project]
+name = "pipeline_api"
+version = "0.1.0"
+description = "ETL Pipeline and FastAPI for electricity price data"
+dependencies = [
+    "click>=8.3.1",
+    "fastapi>=0.128.7",
+    "pyarrow>=23.0.0",
+    "requests>=2.32.5",
+    "tenacity>=9.1.4",
+    "uvicorn>=0.40.0",
+    "common",
+]
+
+[tool.uv.sources]
+common = { workspace = true }
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"

docker-compose.yaml

@@ -1,36 +1,35 @@
 services:
   pipeline:
-    build: .
+    build:
+      context: .
+      dockerfile: docker/pipeline-api.Dockerfile
     user: "1000:1000"
     volumes:
       - ./output:/app/output:z
-      - ./config:/app/config:z
     command: ["/bin/bash", "scripts/scheduler.sh"]
     environment:
       - INTERVAL=3600
     restart: unless-stopped
 
   api:
-    build: .
+    build:
+      context: .
+      dockerfile: docker/pipeline-api.Dockerfile
     user: "1000:1000"
     ports:
       - "8000:8000"
     volumes:
       - ./output:/app/output:z
-      - ./config:/app/config:z
-    command: ["python", "-m", "uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]
+    command: ["/uvbin/uv", "run", "--frozen", "--no-sync", "--package", "pipeline_api", "python", "-m", "uvicorn", "pipeline_api.api.main:app", "--host", "0.0.0.0", "--port", "8000"]
     restart: unless-stopped
 
   dashboard:
-    build: .
+    build:
+      context: .
+      dockerfile: docker/dashboard.Dockerfile
     user: "1000:1000"
     ports:
       - "8501:8501"
     volumes:
       - ./output:/app/output:z
-      - ./config:/app/config:z
-    environment:
-      - STREAMLIT_BROWSER_GATHER_USAGE_STATS=false
-      - STREAMLIT_USAGE_STATS_ENABLED=false
-    command: ["streamlit", "run", "dashboard/app.py", "--server.port", "8501", "--server.address", "0.0.0.0"]
     restart: unless-stopped

docker/dashboard.Dockerfile

@@ -0,0 +1,42 @@
+# Stage 1: Builder
+FROM python:3.11-slim-bookworm AS builder
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvbin/uv
+
+WORKDIR /app
+ENV UV_CACHE_DIR=/app/.cache/uv
+
+COPY pyproject.toml uv.lock ./
+COPY packages/common ./packages/common
+COPY apps/dashboard ./apps/dashboard
+
+# Create a VALID dummy for the other workspace member for validation
+RUN mkdir -p apps/pipeline-api/pipeline_api && \
+    echo '[project]\nname = "pipeline_api"\nversion = "0.1.0"\n[build-system]\nrequires = ["hatchling"]\nbuild-backend = "hatchling.build"' > apps/pipeline-api/pyproject.toml
+
+# Install dependencies into the virtualenv
+RUN /uvbin/uv sync --frozen --no-dev --package dashboard
+
+# Stage 2: Final
+FROM python:3.11-slim-bookworm
+WORKDIR /app
+
+# Copy project configuration for uv run
+COPY pyproject.toml uv.lock ./
+
+# Copy only necessary parts from builder
+COPY --from=builder /app/.venv /app/.venv
+COPY --from=builder /app/packages/common /app/packages/common
+COPY --from=builder /app/apps/dashboard /app/apps/dashboard
+COPY --from=builder /uvbin/uv /usr/local/bin/uv
+
+# Create output directory with proper permissions
+RUN mkdir -p output && chmod -R 777 output
+
+EXPOSE 8501
+
+ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS=false
+ENV STREAMLIT_USAGE_STATS_ENABLED=false
+ENV PATH="/app/.venv/bin:$PATH"
+
+# --no-sync is required as we don't have the uv cache in the final image
+CMD ["uv", "run", "--frozen", "--no-sync", "--package", "dashboard", "streamlit", "run", "apps/dashboard/dashboard/app.py", "--server.port", "8501", "--server.address", "0.0.0.0"]

docker/pipeline-api.Dockerfile

@@ -0,0 +1,41 @@
+# Stage 1: Builder
+FROM python:3.11-slim-bookworm AS builder
+COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvbin/uv
+
+WORKDIR /app
+ENV UV_CACHE_DIR=/app/.cache/uv
+
+COPY pyproject.toml uv.lock ./
+COPY packages/common ./packages/common
+COPY apps/pipeline-api ./apps/pipeline-api
+
+# Create a VALID dummy for the other workspace member for validation
+RUN mkdir -p apps/dashboard/dashboard && \
+    echo '[project]\nname = "dashboard"\nversion = "0.1.0"\n[build-system]\nrequires = ["hatchling"]\nbuild-backend = "hatchling.build"' > apps/dashboard/pyproject.toml
+
+# Install dependencies into the virtualenv
+RUN /uvbin/uv sync --frozen --no-dev --package pipeline_api
+
+# Stage 2: Final
+FROM python:3.11-slim-bookworm
+WORKDIR /app
+
+# Copy project configuration for uv run
+COPY pyproject.toml uv.lock ./
+
+# Copy only necessary parts from builder
+COPY --from=builder /app/.venv /app/.venv
+COPY --from=builder /app/packages/common /app/packages/common
+COPY --from=builder /app/apps/pipeline-api /app/apps/pipeline-api
+COPY --from=builder /uvbin/uv /usr/local/bin/uv
+COPY scripts ./scripts
+
+# Create output directory with proper permissions
+RUN mkdir -p output && chmod -R 777 output
+
+ENV PYTHONPATH=/app/apps/pipeline-api
+ENV INTERVAL=3600
+ENV PATH="/app/.venv/bin:$PATH"
+
+# --no-sync is required as we don't have the uv cache in the final image
+CMD ["uv", "run", "--frozen", "--no-sync", "--package", "pipeline_api", "python", "-m", "pipeline_api.main", "run"]

packages/common/common/collectors/smard.py

@@ -5,8 +5,8 @@ Collector for SMARD (Electricity Market Data) API.
 import time
 import logging
 import polars as pl
-from utils import request_utils
-from utils.config_loader import settings
+from ..utils import request_utils
+from ..utils.config_loader import settings
 
 logger = logging.getLogger(__name__)
 

packages/common/common/collectors/weather.py

@@ -6,9 +6,8 @@ import logging
 from datetime import datetime, timedelta, timezone
 
 import polars as pl
-
-from utils import request_utils
-from utils.config_loader import settings
+from ..utils import request_utils
+from ..utils.config_loader import settings
 
 logger = logging.getLogger(__name__)
 

packages/common/common/utils/config_loader.py

@@ -39,8 +39,15 @@ class Settings(BaseSettings):
     database: DatabaseConfig = DatabaseConfig()
 
 
-def load_config(config_path: str = "config/config.yaml") -> Settings:
+def load_config(config_path: str | None = None) -> Settings:
+    if config_path:
         path = Path(config_path)
+    else:
+        # Try local first (dev) then package relative
+        local_path = Path("config/config.yaml")
+        pkg_path = Path(__file__).parent.parent / "config" / "config.yaml"
+        path = local_path if local_path.exists() else pkg_path
+
     if not path.exists():
         return Settings()
 

packages/common/common/utils/database.py

@@ -5,7 +5,7 @@ DuckDB database interface for Bronze (Raw) and Gold (Combined) layers.
 import duckdb
 import polars as pl
 from contextlib import contextmanager
-from utils.config_loader import settings
+from .config_loader import settings
 
 
 @contextmanager

packages/common/pyproject.toml

@@ -0,0 +1,15 @@
+[project]
+name = "common"
+version = "0.1.0"
+description = "Shared logic and utilities for the Strompreis Pipeline"
+dependencies = [
+    "duckdb>=1.4.4",
+    "polars>=1.38.1",
+    "pydantic>=2.12.5",
+    "pydantic-settings>=2.12.0",
+    "pyyaml>=6.0.3",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"

pyproject.toml

@@ -1,23 +1,12 @@
 [project]
 name = "strompreis-pipline"
 version = "0.1.0"
-description = "Add your description here"
+description = "Strompreis Pipeline Workspace"
 readme = "README.md"
 requires-python = ">=3.11"
-dependencies = [
-    "click>=8.3.1",
-    "duckdb>=1.4.4",
-    "fastapi>=0.128.7",
-    "polars>=1.38.1",
-    "pyarrow>=23.0.0",
-    "pydantic>=2.12.5",
-    "pydantic-settings>=2.12.0",
-    "pyyaml>=6.0.3",
-    "requests>=2.32.5",
-    "streamlit>=1.54.0",
-    "tenacity>=9.1.4",
-    "uvicorn>=0.40.0",
-]
+
+[tool.uv.workspace]
+members = ["packages/*", "apps/*"]
 
 [tool.ruff]
 line-length = 88

scripts/scheduler.sh

@@ -2,7 +2,7 @@
 echo "Starte Pipeline Scheduler (Intervall: $INTERVAL Sekunden)"
 while true; do
   echo "Führe Pipeline aus: $(date)"
-  python main.py run
+  /app/.venv/bin/python -m pipeline_api.main run
   echo "Pipeline beendet. Warte $INTERVAL Sekunden..."
   sleep ${INTERVAL:-3600}
 done

uv.lock

@@ -6,6 +6,14 @@ resolution-markers = [
     "python_full_version < '3.12'",
 ]
 
+[manifest]
+members = [
+    "common",
+    "dashboard",
+    "pipeline-api",
+    "strompreis-pipline",
+]
+
 [[package]]
 name = "altair"
 version = "6.0.0"
@@ -183,6 +191,42 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/d1/d6/3965ed04c63042e047cb6a3e6ed1a63a35087b6a609aa3a15ed8ac56c221/colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6", size = 25335, upload-time = "2022-10-25T02:36:20.889Z" },
 ]
 
+[[package]]
+name = "common"
+version = "0.1.0"
+source = { editable = "packages/common" }
+dependencies = [
+    { name = "duckdb" },
+    { name = "polars" },
+    { name = "pydantic" },
+    { name = "pydantic-settings" },
+    { name = "pyyaml" },
+]
+
+[package.metadata]
+requires-dist = [
+    { name = "duckdb", specifier = ">=1.4.4" },
+    { name = "polars", specifier = ">=1.38.1" },
+    { name = "pydantic", specifier = ">=2.12.5" },
+    { name = "pydantic-settings", specifier = ">=2.12.0" },
+    { name = "pyyaml", specifier = ">=6.0.3" },
+]
+
+[[package]]
+name = "dashboard"
+version = "0.1.0"
+source = { editable = "apps/dashboard" }
+dependencies = [
+    { name = "common" },
+    { name = "streamlit" },
+]
+
+[package.metadata]
+requires-dist = [
+    { name = "common", editable = "packages/common" },
+    { name = "streamlit", specifier = ">=1.54.0" },
+]
+
 [[package]]
 name = "duckdb"
 version = "1.4.4"
@@ -665,6 +709,31 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/f2/26/c56ce33ca856e358d27fda9676c055395abddb82c35ac0f593877ed4562e/pillow-12.1.1-pp311-pypy311_pp73-win_amd64.whl", hash = "sha256:cb9bb857b2d057c6dfc72ac5f3b44836924ba15721882ef103cecb40d002d80e", size = 7029880, upload-time = "2026-02-11T04:23:04.783Z" },
 ]
 
+[[package]]
+name = "pipeline-api"
+version = "0.1.0"
+source = { editable = "apps/pipeline-api" }
+dependencies = [
+    { name = "click" },
+    { name = "common" },
+    { name = "fastapi" },
+    { name = "pyarrow" },
+    { name = "requests" },
+    { name = "tenacity" },
+    { name = "uvicorn" },
+]
+
+[package.metadata]
+requires-dist = [
+    { name = "click", specifier = ">=8.3.1" },
+    { name = "common", editable = "packages/common" },
+    { name = "fastapi", specifier = ">=0.128.7" },
+    { name = "pyarrow", specifier = ">=23.0.0" },
+    { name = "requests", specifier = ">=2.32.5" },
+    { name = "tenacity", specifier = ">=9.1.4" },
+    { name = "uvicorn", specifier = ">=0.40.0" },
+]
+
 [[package]]
 name = "pluggy"
 version = "1.6.0"
@@ -1266,20 +1335,6 @@ wheels = [
 name = "strompreis-pipline"
 version = "0.1.0"
 source = { virtual = "." }
-dependencies = [
-    { name = "click" },
-    { name = "duckdb" },
-    { name = "fastapi" },
-    { name = "polars" },
-    { name = "pyarrow" },
-    { name = "pydantic" },
-    { name = "pydantic-settings" },
-    { name = "pyyaml" },
-    { name = "requests" },
-    { name = "streamlit" },
-    { name = "tenacity" },
-    { name = "uvicorn" },
-]
 
 [package.dev-dependencies]
 dev = [
@@ -1291,20 +1346,6 @@ dev = [
 ]
 
 [package.metadata]
-requires-dist = [
-    { name = "click", specifier = ">=8.3.1" },
-    { name = "duckdb", specifier = ">=1.4.4" },
-    { name = "fastapi", specifier = ">=0.128.7" },
-    { name = "polars", specifier = ">=1.38.1" },
-    { name = "pyarrow", specifier = ">=23.0.0" },
-    { name = "pydantic", specifier = ">=2.12.5" },
-    { name = "pydantic-settings", specifier = ">=2.12.0" },
-    { name = "pyyaml", specifier = ">=6.0.3" },
-    { name = "requests", specifier = ">=2.32.5" },
-    { name = "streamlit", specifier = ">=1.54.0" },
-    { name = "tenacity", specifier = ">=9.1.4" },
-    { name = "uvicorn", specifier = ">=0.40.0" },
-]
 
 [package.metadata.requires-dev]
 dev = [