Updated build instructions

CONTRIBUTING.md

@@ -47,30 +47,22 @@ This section describes how you build prometheus-sql distribution packages.
 
 2. All binaries produced are now located in directories under the `dist` directory.
 
-### Build prometheus-sql Docker image
+### Build prometheus-sql Docker image locally
 
 1. Build distribution binaries as described in previous section.
 
-2. Build Docker image:
+2. Go into `dist` directory.
 
-    Using Make:
-    ```bash
-    make docker
-    ```
-
-    Using Docker directly (for test only):
-    ```bash
-    docker build -t dbhi/prometheus-sql .
-    ```
+3. Start Simple HTTP server as a background process: `python -m SimpleHTTPServer &`
 
-### Build inside a Vagrant box
+4. Go back to the project root directory.
 
-1. Start VM with Vagrant:
+5. Build Docker image:
 
+    Using Docker (for test only):
     ```bash
-    vagrant up
+    docker build --tag dbhi/prometheus-sql --rm --build-arg BASE_URL=http://localhost:8000 --no-cache .
     ```
 
-2. Login as `vagrant` user with password `vagrant`
+6. Done! Docker image is now built and you can kill the Simple HTTP server process.
 
-3. See above sections how to build binaries etc.

README.md

@@ -1,7 +1,8 @@
 # Prometheus SQL
 
-[![Docker Build Status](https://img.shields.io/docker/build/dbhi/prometheus-sql.svg)](https://hub.docker.com/r/dbhi/prometheus-sql/builds/)
+[![GitHub release](https://img.shields.io/github/release/chop-dbhi/prometheus-sql.svg)](https://github.com/chop-dbhi/prometheus-sql)
 [![Docker Pulls](https://img.shields.io/docker/pulls/dbhi/prometheus-sql.svg)](https://hub.docker.com/r/dbhi/prometheus-sql/)
+[![Docker Build Status](https://img.shields.io/docker/build/dbhi/prometheus-sql.svg)](https://hub.docker.com/r/dbhi/prometheus-sql/builds/)
 [![GoDoc](https://godoc.org/github.com/chop-dbhi/prometheus-sql?status.svg)](https://godoc.org/github.com/chop-dbhi/prometheus-sql)
 
 Service that generates basic metrics for SQL result sets and exposing them as Prometheus metrics.
@@ -73,6 +74,7 @@ Run this service. Mount the `queries.yml` file and link the SQL Agent service.
 
 ```bash
 docker run -d \
+    --name prometheus-sql \
     -p 8080:8080 \
     -v /path/to/queries.yml:/queries.yml \
     --link sqlagent:sqlagent \