Add initial configuration and templates for feedstack role.

defaults/main.yml

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+---
+# Define the feedstack serer host name, defaulting to the inventory host.
+feedstack_server_hostname: "{{ hostname }}.{{ domain }}"
+
+# Define a default location for the feedstack certificates on the host filesystem.
+feedstack_cert_directory: "/var/local/certs/{{ feedstack_server_hostname }}"
+
+# Define default names for the feedstack server SSL certificate and key files.
+feedstack_server_cert_filename: "fullchain.pem"
+feedstack_server_key_filename: "privkey.pem"
+
+# Define the default weatherfeeder container image and tag.
+feedstack_weatherfeeder_container_image: "harbor.maximumdirect.net/library/weatherfeeder"
+feedstack_weatherfeeder_container_tag: "latest"
+
+# Define the default agent container image and tag.
+feedstack_nats_container_image: "nats"
+feedstack_nats_container_tag: "linux"
+
+# Define the default Watchtower container image and tag.
+feedstack_watchtower_container_image: "containrrr/watchtower"
+feedstack_watchtower_container_tag: "latest"

meta/main.yml

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+---
+dependencies:
+  - role: docker
+...

tasks/main.yml

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+---
+  - name: Create the directory for the weatherfeeder configuration file if it doesn't already exist.
+    file:
+      path: "{{ docker_appdata_directory}}/{{ feedstack_directory_item }}"
+      state: directory
+    loop:
+      - weatherfeeder
+      - nats/config
+      - nats/data
+    loop_control:
+      loop_var: feedstack_directory_item
+      label: "{{ feedstack_directory_item }}"
+    become: true
+
+  - name: Create the weatherfeeder configuration file from the provided template.
+    template:
+      src: "weatherfeeder/config.yml.j2"
+      dest: "{{ docker_appdata_directory }}/weatherfeeder/config.yml"
+    become: true
+  
+  - name: Create the nats configuration file from the provided template.
+    template:
+      src: "nats/nats.conf.j2"
+      dest: "{{ docker_appdata_directory }}/nats/config/nats.conf"
+    become: true
+
+  - name: Run the docker-compose role to apply the docker-compose.yml file.
+    import_role:
+      name: "docker-compose"
+...

templates/nats/nats.conf.j2

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+# Single-node NATS configuration for local app-to-app messaging.
+# WeatherFeeder can publish to this server without authentication.
+
+# Client connections (WeatherFeeder + consumers).
+port: 4222
+
+# HTTP monitoring endpoint.
+monitor_port: 8222
+
+# Optional persistence for future stream use.
+jetstream {
+  store_dir: "/data"
+}

templates/weatherfeeder/config.yml.j2

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+---
+sources:
+  - name: NWSObservationKSTL
+    kind: observation
+    driver: nws_observation
+    every: 10m
+    params:
+      url: "https://api.weather.gov/stations/KSTL/observations/latest"
+      user_agent: "HomeOps (weatherfeeder@maximumdirect.net)"
+
+  - name: OpenMeteoObservation
+    kind: observation
+    driver: openmeteo_observation
+    every: 10m
+    params:
+      url: "https://api.open-meteo.com/v1/forecast?latitude=38.6263&longitude=-90.3432&current=temperature_2m,relative_humidity_2m,weather_code,wind_speed_10m,wind_direction_10m,precipitation,surface_pressure,rain,showers,snowfall,cloud_cover,apparent_temperature,is_day,wind_gusts_10m,pressure_msl&forecast_days=1"
+      user_agent: "HomeOps (weatherfeeder@maximumdirect.net)"
+
+  - name: NWSObservationKSUS
+    kind: observation
+    driver: nws_observation
+    every: 10m
+    params:
+      url: "https://api.weather.gov/stations/KSUS/observations/latest"
+      user_agent: "HomeOps (weatherfeeder@maximumdirect.net)"
+
+  - name: NWSObservationKCPS
+    kind: observation
+    driver: nws_observation
+    every: 10m
+    params:
+      url: "https://api.weather.gov/stations/KCPS/observations/latest"
+      user_agent: "HomeOps (weatherfeeder@maximumdirect.net)"
+
+  - name: NWSHourlyForecastSTL
+    kind: forecast
+    driver: nws_forecast
+    every: 45m
+    params:
+      url: "https://api.weather.gov/gridpoints/LSX/90,74/forecast/hourly"
+      user_agent: "HomeOps (weatherfeeder@maximumdirect.net)"
+
+  - name: NWSAlertsSTL
+    kind: alert
+    driver: nws_alerts
+    every: 1m
+    params:
+      url: "https://api.weather.gov/alerts?point=38.6263,-90.3432&limit=20"
+      user_agent: "HomeOps (weatherfeeder@maximumdirect.net)"
+
+sinks:
+  - name: stdout
+    driver: stdout
+    params: {}
+
+routes:
+  - sink: stdout
+    kinds: ["observation", "forecast", "alert"]
+...

vars/containers/nats.yml

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+---
+nats:
+
+  # Define the name of this container.
+  name: "nats"
+
+  # Define the docker image to be used for this container.
+  image: "{{ feedstack_nats_container_image }}:{{ feedstack_nats_container_tag }}"
+
+  # Define the path where application data for this container will be stored.
+  appdata_directory: "{{ docker_appdata_directory }}/nats"
+
+  # Define the volumes that should be mounted into the container.
+  volumes:
+    - "{{ docker_appdata_directory }}/nats/data:/data"
+    - "{{ docker_appdata_directory }}/nats/config/nats.conf:/etc/nats/nats.conf:ro"
+
+  # Define the ports that should be opened to the outside world.
+  ports:
+    - "4222:4222" # client port
+    - "6222:6222" # cluster port
+    - "8222:8222" # monitoring port
+
+  # Define environment variables to be passed to the container.
+  #environment_variables: []
+
+...

vars/containers/watchtower.yml

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+---
+watchtower:
+
+  # Define the name of this container.
+  name: "feedstack-watchtower"
+
+  # Define the docker image to be used for this container.
+  image: "{{ feedstack_watchtower_container_image }}:{{ feedstack_watchtower_container_tag }}"
+
+  # Define the path where application data for this container will be stored.
+  appdata_directory: "{{ docker_appdata_directory }}/watchtower"
+
+  # Define the volumes that should be mounted into the container.
+  volumes:
+    - "/var/run/docker.sock:/var/run/docker.sock"
+...

vars/containers/weatherfeeder.yml

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+---
+weatherfeeder:
+
+  # Define the name of this container.
+  name: "weatherfeeder"
+
+  # Define the docker image to be used for this container.
+  image: "{{ feedstack_weatherfeeder_container_image }}:{{ feedstack_weatherfeeder_container_tag }}"
+
+  # Define the path where application data for this container will be stored.
+  appdata_directory: "{{ docker_appdata_directory }}/weatherfeeder"
+
+  # Define the volumes that should be mounted into the container.
+  volumes:
+    - "{{ docker_appdata_directory }}/weatherfeeder/config.yml:/weatherfeeder/config.yml:ro"
+
+  # Define the ports that should be opened to the outside world.
+  #ports: []
+
+  # Define environment variables to be passed to the container.
+  #environment_variables: []
+
+...

vars/main.yml

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+---
+
+...