Added new DE project 26_airflow_docker_databricks_etl

de-projects/26_airflow_docker_databricks_etl/Dockerfile

@@ -0,0 +1,37 @@
+# Airflow 3.0.3, Python 3.12
+FROM apache/airflow:3.0.3-python3.12
+
+USER root
+
+# uv just for building wheel
+RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates \
+  && rm -rf /var/lib/apt/lists/* \
+  && curl -LsSf https://astral.sh/uv/install.sh | sh \
+  && ln -s /root/.local/bin/uv /usr/local/bin/uv
+
+# Put code in place
+ENV PYTHONPATH=/opt/python:${PYTHONPATH}
+COPY ./scripts /opt/python/scripts/
+COPY ./airflow ${AIRFLOW_HOME}/
+
+# Build & install wheel
+WORKDIR /tmp/src
+COPY . /tmp/src
+RUN if [ -f pyproject.toml ]; then \
+      uv build && python -m pip install --no-cache-dir dist/*.whl ; \
+    else \
+      echo "No pyproject.toml found; skipping wheel build."; \
+    fi \
+ && rm -rf /tmp/src
+
+# Install runtime deps into the Airflow interpreter
+RUN python -m pip install --no-cache-dir \
+      databricks-connect==16.3.2 \
+      munch==4.0.0 \
+      apache-airflow-providers-databricks 
+
+# permissions
+RUN chown -R airflow:0 ${AIRFLOW_HOME} /opt/python && chmod -R g=u ${AIRFLOW_HOME} /opt/python
+
+USER airflow
+WORKDIR ${AIRFLOW_HOME}