Add Drone CI config, remove Gitlab CI config

.drone.yml

@@ -0,0 +1,15 @@
+---
+kind: pipeline
+type: docker
+name: build
+
+steps:
+- name: docker  
+  image: plugins/docker
+  settings:
+    username:
+      from_secret: registry_user
+    password:
+      from_secret: registry_password
+    repo: fat0troll/tdlib
+    auto_tag: true

.gitlab-ci.yml

@@ -1,25 +0,0 @@
-image: docker:stable
-
-variables:
-  DOCKER_HOST: tcp://docker:2375/
-  DOCKER_DRIVER: overlay2
-  CONTAINER_NAME: lab.wtfteam.pro:4567/containers/tdlib
-
-services:
-  - docker:dind
-
-stages:
-  - build
-
-before_script:
-  - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
-
-build:
-  stage: build
-  script:
-    - source ci/set_docker_tag.sh
-    - docker build -t $CONTAINER_NAME:$DOCKER_TAG .
-    - docker push $CONTAINER_NAME:$DOCKER_TAG
-  only:
-    - tags
-    - master

ci/set_docker_tag.sh

@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-
-if [[ $CI_BUILD_REF_NAME == "master" ]]; then
-    export DOCKER_TAG=latest;
-else
-    export DOCKER_TAG="${CI_BUILD_REF_NAME}";
-fi