Dockerize app (#32)

This commit adds both a Dockerfile and updates the docker-compose.yml with local mounting so that you can standup a consistent dev environment. Please view the project README for more information.

.dockerignore

@@ -0,0 +1 @@
+kolide

Dockerfile

@@ -0,0 +1,12 @@
+FROM golang:1.6.3-wheezy
+MAINTAINER engineering@kolide.co
+
+RUN mkdir -p /app
+WORKDIR /app
+COPY . /app
+
+# Download and install any required third party dependencies into the container.
+RUN go-wrapper download
+RUN go build -o kolide
+
+CMD /app/kolide serve

README.md

@@ -7,35 +7,72 @@
 To build the code, run the following from the root of the repository:
 
 ```
-go build
+go build -o kolide
 ```
 
 ## Testing
 
-To run the application's tests, run the following from the root of the repository:
+To run the application's tests, run the following from the root of the
+repository:
 
 ```
 go test
 ```
 
+Or if you using the Docker development environment run:
+
+```
+docker-compose app exec go test
+```
+
 ## Development Environment
 
-To set up the development environment via docker, run the following frmo the root of the repository:
+To set up a canonical development environment via docker,
+run the following from the root of the repository:
 
 ```
 docker-compose up
 ```
 
-Obviouly this requires that you have docker installed. At this point in time, automatic configuration tools are not included with this project.
+Once completed, you can access the application at `https://<your-docker-ip>:8080`
+where `your-docker-ip` is localhost in most native docker installations.
 
-If you'd like to shut down the virtual infrastructure created by docker, run the following from the root of the repository:
+This requires that you have docker installed. At this point in time,
+automatic configuration tools are not included with this project.
+
+If you'd like to shut down the virtual infrastructure created by docker, run
+the following from the root of the repository:
 
 ```
 docker-compose down
 ```
 
-Once you `docker-compose up` and are running the databases, build the code and run the following command to create the database tables:
+Once you `docker-compose up` and are running the databases, you can re-build
+the code with:
 
 ```
-kolide prepare-db
+docker-compose exec app go build -o kolide
+```
+
+and then run the following command to create the database tables:
+
+```
+docker-compose exec app ./kolide prepare-db
+```
+
+## Docker Deployment
+This repository comes with a simple Dockerfile. You can use this to easily
+deploy Kolide in any infrastructure context that can consume a docker image
+(heroku, kubernetes, rancher, etc).
+
+To build the image locally, run:
+
+```
+docker build --rm -t kolide .
+```
+
+To run the image locally, simply run:
+
+```
+docker run -t -p 8080:8080 kolide
 ```

config.go

@@ -35,7 +35,7 @@ var (
 )
 
 var defaultMysqlConfigData = mysqlConfigData{
-	Address:  "127.0.0.1:3306",
+	Address:  "mysql:3306",
 	Username: "kolide",
 	Password: "kolide",
 	Database: "kolide",

docker-compose.yml

@@ -1,3 +1,13 @@
+app:
+  build: .
+  ports:
+    - 8080:8080
+  volumes:
+    - './:/app'
+  command: /app/kolide serve
+  links:
+    - mysql
+
 mysql:
   image: mysql:5.7.13
   environment:
@@ -6,4 +16,4 @@ mysql:
     MYSQL_USER: kolide
     MYSQL_PASSWORD: kolide
   ports:
-    - "3306:3306"
+    - "3306:3306"

tools/example_config.json

@@ -1,21 +1,21 @@
 {
-	"mysql": {
-		"address": "127.0.0.1:3306",
-		"username": "kolide",
-		"password": "kolide",
-		"database": "kolide"
-	},
-	"server": {
-		"address": ":8080",
-		"cert": "./tools/kolide.crt",
-		"key": "./tools/kolide.key"
-	},
-	"app": {
-		"bcrypt_cost": 12,
-		"salt_length": 32,
-		"jwt_key": "very secure"
-	},
-        "osquery": {
-                "enroll_secret": "super secure"
-        }
+  "mysql": {
+    "address": "mysql:3306",
+    "username": "kolide",
+    "password": "kolide",
+    "database": "kolide"
+  },
+  "server": {
+    "address": ":8080",
+    "cert": "./tools/kolide.crt",
+    "key": "./tools/kolide.key"
+  },
+  "app": {
+    "bcrypt_cost": 12,
+    "salt_length": 32,
+    "jwt_key": "very secure"
+  },
+  "osquery": {
+    "enroll_secret": "super secure"
+  }
 }