Docker: add runtime image and compose wiring

.dockerignore

@@ -0,0 +1,28 @@
+# VCS and CI/CD
+.git
+.github/
+
+# Python build artefacts and envs
+__pycache__/
+*.egg-info
+.venv/
+venv/
+.env
+
+# Local outputs and data
+results/
+*.csv
+nifi_data/
+nifi_logs/
+nifi_registry_data/
+grafana-data/
+pgdata/
+
+# Assets not needed for runtime image
+Alerting.md
+images/
+tests/
+
+# Compose/config files not required in image
+docker-compose.yml
+prometheus.yml

.gitignore

@@ -12,3 +12,4 @@ pgdata
 *.egg-info
 *__pycache__
 .~lock.prometheus_metrics_log*
+notes.txt

Dockerfile

@@ -0,0 +1,7 @@
+FROM python:3.11-slim
+WORKDIR /app
+COPY pyproject.toml README.md ./
+COPY nifipulse/ ./nifipulse/
+RUN pip install -U pip && pip install --no-cache-dir .
+ENTRYPOINT ["nifipulse"]
+CMD ["--poll","10","--interval","60"] 

docker-compose.yml

@@ -63,6 +63,16 @@ services:
       - ./db/init:/docker-entrypoint-initdb.d:ro
     restart: unless-stopped
 
+  nifipulse:
+    image: ghcr.io/OWNER/NiFiPulse:latest
+    depends_on: [prometheus, postgres]
+    environment:
+      - PROM_URL=http://prometheus:9090/api/v1/query
+      - PG_DSN=postgresql+psycopg2://postgres:postgres@postgres:5432/metrics_db
+    volumes:
+      - ./results:/app/results
+    restart: unless-stopped
+
 volumes:
   grafana-data:
   pgdata:

nifipulse/cli.py

@@ -5,11 +5,10 @@ def main():
     parser = argparse.ArgumentParser(description="Run NifiPulse ETL CLI")
     parser.add_argument(
         "--poll",
-        nargs="?",
-        const=10,            # `--poll` with no value → 10
         type=int,
-        default=10,          # no `--poll` at all → 10
-        help="Number of polling cycles (default 10). Use --poll 0 to run forever."
+        default=10, 
+        metavar="N",
+        help="Number of polling cycles (default 10; use 0 to run forever)."
     )
     parser.add_argument(
         "--interval",