Replaced travis by drone (#7)

Replace travis by drone

.drone.yml

@@ -0,0 +1,22 @@
+pipeline:
+  build:
+    image: java:openjdk-8
+    environment:
+    - GRADLE_USER_HOME=~/.gradle
+    commands:
+    - ./gradlew test
+    - ./gradlew prepare
+    - echo -n "1.0.$DRONE_BUILD_NUMBER,latest" > .tags
+
+  publish:
+    image: plugins/docker
+    repo: eugenezadyra/luxmed-bot
+    username:
+      from_secret: docker_username
+    password:
+      from_secret: docker_password
+    dockerfile: ./docker/Dockerfile
+    context: ./docker/
+    when:
+      branch: master
+      event: push

.travis.yml

@@ -1 +0,0 @@
-language: java

README.md

@@ -1,6 +1,7 @@
 # Luxmed Booking Service
 
-[![Build Status](https://travis-ci.org/dyrkin/luxmed-booking-service.svg?branch=master)](https://travis-ci.org/dyrkin/luxmed-booking-service)
+[![Build Status](https://cloud.drone.io/api/badges/dyrkin/luxmed-booking-service/status.svg?branch=master)](https://cloud.drone.io/dyrkin/luxmed-booking-service)
+[![Docker Hub](https://img.shields.io/badge/image-latest-blue.svg?logo=docker&style=flat)](https://hub.docker.com/r/eugenezadyra/luxmed-bot/tags/)
 
 Non official Telegram bot for **Portal Pacjenta LUX MED**.
 

docker/docker-compose.yml

@@ -1,7 +1,7 @@
 version: '3.4'
 services:
   luxmedbookingservice:
-    image: eugenezadyra/luxmed-bot:1.0.2
+    image: eugenezadyra/luxmed-bot:latest
     environment:
       DB_HOST: "database"
     volumes: