Merge pull request #44 from ketan/docker

Add support for docker & docker compose

.dockerignore

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+.env
+node_modules

Dockerfile

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+FROM node:lts-alpine
+
+# add project files to /app
+ADD ./ /app
+WORKDIR /app
+
+# install node dependencies
+RUN npm install
+
+EXPOSE 8080

docker-compose.yml

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+services:
+
+  # listens to mqtt packets and saves to database
+  meshtastic-mqtt:
+    container_name: meshtastic-mqtt
+    depends_on:
+      database:
+        condition: service_healthy
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+    command: /app/docker/mqtt.sh
+    environment:
+      DATABASE_URL: "mysql://root:password@database:3306/meshtastic-map?connection_limit=100"
+      MQTT_OPTS: "" # add any custom mqtt.js options here
+
+  # runs the web map ui
+  meshtastic-map:
+    container_name: meshtastic-map
+    depends_on:
+      database:
+        condition: service_healthy
+    build:
+      context: .
+      dockerfile: ./Dockerfile
+    command: /app/docker/map.sh
+    ports:
+      - 8080:8080/tcp
+    environment:
+      DATABASE_URL: "mysql://root:password@database:3306/meshtastic-map?connection_limit=100"
+      MAP_OPTS: "" # add any custom index.js options here
+
+  # runs the database to store everything from mqtt
+  database:
+    container_name: database
+    image: bitnami/mariadb
+    ports:
+      - 3306:3306/tcp
+    environment:
+      MARIADB_DATABASE: "meshtastic-map"
+      MARIADB_ROOT_PASSWORD: "password"
+    volumes:
+      - database_data:/bitnami/mariadb
+    healthcheck:
+      test: ['CMD', '/opt/bitnami/scripts/mariadb/healthcheck.sh']
+      interval: 15s
+      timeout: 5s
+      retries: 6
+      start_interval: 5s
+
+volumes:
+  database_data:

docker/map.sh

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+#!/bin/sh
+
+echo "Running migrations"
+npx prisma migrate dev
+
+echo "Starting map ui"
+exec node src/index.js ${MAP_OPTS}

docker/mqtt.sh

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+#!/bin/sh
+
+echo "Running migrations"
+npx prisma migrate dev
+
+echo "Starting mqtt listener"
+exec node src/mqtt.js ${MQTT_OPTS}