Add docker setup example

README.md

@@ -13,6 +13,11 @@ bring your own Postgres server. You also have to provide a config file.
 
     docker run -v /path/to/config.toml:/config.toml -p 8080:8080 thcyron/tracklog
 
+Alternately, use docker-compose to run:
+
+    docker-compose up -d
+    docker exec -it tracklog /bin/tracklog-control -config /config.toml user add <name>
+
 ## Installation
 
 First, make sure you have Go and Node.js installed.

config.toml.example

@@ -7,4 +7,4 @@ mapbox_access_token = ""
 
 [db]
 driver = "postgres"
-dsn = "dbname=tracklog sslmode=disable"
+dsn = "postgres://postgres:password@postgres/tracklog?sslmode=disable"

docker-compose.yml

@@ -0,0 +1,26 @@
+version: '3'
+
+services:
+  tracklog:
+    build: .
+    image: thcyron/tracklog:latest
+    container_name: tracklog
+    entrypoint: /bin/tracklog-server -config /config.toml
+    restart: always
+    depends_on:
+      - postgres
+    ports:
+      - 8080:8080
+    volumes:
+      - ./config.toml.example:/config.toml
+
+  postgres:
+    image: postgres:12-alpine
+    container_name: postgres
+    restart: always
+    environment:
+      - POSTGRES_DB=tracklog
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASSWORD=password
+    volumes:
+      - ./pkg/db/postgres.sql:/docker-entrypoint-initdb.d/init.sql