Add .drone.yml file for drone CI

.drone.yml

@@ -0,0 +1,45 @@
+kind: pipeline
+name: default
+
+steps:
+- name: prepare-workdir
+  image: alpine:3.9
+  commands:
+  - mkdir canapeapp
+
+- name: frontend
+  image: node:12.2
+  commands:
+  - npm install yarn
+  - yarn install
+  - yarn build
+
+- name: backend
+  image: golang:1.12.4
+  commands:
+  - GO111MODULE=off go get -tags 'postgres' -u github.com/golang-migrate/migrate/cmd/migrate
+  - cp $$GOPATH/bin/migrate migrate
+  - go build -v -o canapeapp/app backend/*.go
+
+- name: prepare-docker
+  image: alpine:3.9
+  commands:
+  - cp docker/run.sh canapeapp/run.sh
+  - cp migrate canapeapp/migrate
+  - cp -R migrations canapeapp/migrations
+
+- name: docker
+  image: plugins/docker
+  settings:
+    repo: odwrtw/canapeapp
+    dockerfile: docker/Dockerfile-production
+    tags: latest
+    username:
+      from_secret: docker_username
+    password:
+      from_secret: docker_password
+  when:
+    branch:
+    - master
+    event:
+    - push

README.md

@@ -25,8 +25,7 @@ go tools:
 
 ```
 go get -v -u github.com/pilu/fresh
-go get -v -u github.com/mattes/migrate
-go build -tags 'postgres' -o $GOPATH/bin/migrate github.com/mattes/migrate/cli
+GO111MODULE=off go get -tags 'postgres' -u github.com/golang-migrate/migrate/cmd/migrate
 ```
 
 ## Dev