Updating how docker containers are handled

docker/containers/rbn-to-mqtt.dockerfile

@@ -0,0 +1,5 @@
+FROM python:3.13
+ENV MODE=cw
+ENV MQTT_HOST=
+COPY ./scripts/rbn-to-mqtt /rbn-to-mqtt
+CMD ["python", "/rbn-to-mqtt", "${MODE}", "${MQTT_HOST}"]

docker/stacks/mqtt-ingest-radio-spots.docker-compose.yaml

@@ -0,0 +1,20 @@
+services:
+  rbn_cw_to_mqtt:
+    build:
+      context: ../..
+      dockerfile: docker/containers/rbn-to-mqtt.dockerfile
+    restart: unless-stopped
+    env_file: .env
+    environment:
+      - Mode=cw
+      - MQTT_HOST=${MQTT_HOST}
+  
+  rbn_ft8_to_mqtt:
+    build:
+      context: ../..
+      dockerfile: docker/containers/rbn-to-mqtt.dockerfile
+    restart: unless-stopped
+    env_file: .env
+    environment:
+      - Mode=ft8
+      - MQTT_HOST=${MQTT_HOST}