Adds docker-compose

docker-compose/README.md

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+# Hasura GraphQL Engine using docker-compose
+
+## Prerequisites
+
+- [Docker](https://docs.docker.com/install/)
+- [Docker Compose](https://docs.docker.com/compose/install/#install-compose)
+
+## Deploy
+
+- Create a docker-compose.yaml file and copy the below configuration into the file.
+  ```yaml
+  version: '3.6'
+  services:
+    postgres:
+      image: postgres
+      environment:
+      - "POSTGRES_PASSWORD:mysecretpassword"
+      volumes:
+        - db_data:/var/lib/postgresql/data
+    raven:
+      image: hasuranightly/raven:94a0141
+      ports:
+      - "8080:8080"
+      links:
+      - "postgres:postgres"
+      command: >
+        /bin/sh -c "
+        sleep 5;
+        raven --database-url postgres://postgres:mysecretpassword@postgres:5432/postgres serve;
+        "
+  volumes:
+    db_data:
+
+  ```
+
+- Run `docker-compose up -d` to start the Hasura GraphQL Engine.
+
+## Configure
+
+(Assuming you have already executed `hasura init`)
+
+- Edit `config.yaml` and add `endpoint`
+  ```yaml
+  endpoint: http://localhost:8080
+  ```
+
+## Console
+
+Open the console and start exploring APIs / manage tables/views:
+```bash
+hasura console
+```