drone: mirror the version on master

drone/Dockerfile

@@ -1,7 +1,7 @@
 # This Dockerfile is intended to be used in the CI environment and depends on
 # an existing binary built outside Docker.
 
-FROM alpine:3.10.2
+FROM alpine:3.10.3
 
 RUN apk add --no-cache ca-certificates
 ADD video-transcoding-api /bin/video-transcoding-api

drone/ci.jsonnet

@@ -1,5 +1,5 @@
 // the first version is used to build the binary that gets shipped to Docker Hub.
-local go_versions = ['1.12.9', '1.11.13', '1.13beta1'];
+local go_versions = ['1.13.4', '1.12.13'];
 
 local goproxy = 'https://proxy.golang.org';
 

drone/ci.yml

@@ -2,7 +2,7 @@
 # DO NOT MODIFY - AUTO GENERATED
 
 kind: pipeline
-name: go-1.12.9
+name: go-1.13.4
 
 platform:
   os: linux
@@ -14,7 +14,7 @@ workspace:
 
 steps:
 - name: mod-download
-  image: golang:1.12.9
+  image: golang:1.13.4
   commands:
   - go mod download
   environment:
@@ -23,12 +23,12 @@ steps:
   - clone
 
 - name: coverage
-  image: golang:1.12.9
+  image: golang:1.13.4
   commands:
   - apt update
   - apt install -y redis-server
-  - "redis-server &>/dev/null &"
-  - "timeout 10 sh -c \"while ! redis-cli ping; do echo waiting for redis-server to start; sleep 1; done\""
+  - redis-server &>/dev/null &
+  - timeout 10 sh -c "while ! redis-cli ping; do echo waiting for redis-server to start; sleep 1; done"
   - make gocoverage
   depends_on:
   - mod-download
@@ -42,7 +42,7 @@ steps:
   - mod-download
 
 - name: build
-  image: golang:1.12.9
+  image: golang:1.13.4
   commands:
   - make build
   environment:
@@ -92,7 +92,7 @@ steps:
       from_secret: docker_username
   when:
     ref:
-    - "refs/tags/*"
+    - refs/tags/*
     - refs/heads/master
   depends_on:
   - coverage
@@ -116,7 +116,7 @@ steps:
 
 ---
 kind: pipeline
-name: go-1.11.13
+name: go-1.12.13
 
 platform:
   os: linux
@@ -128,7 +128,7 @@ workspace:
 
 steps:
 - name: mod-download
-  image: golang:1.11.13
+  image: golang:1.12.13
   commands:
   - go mod download
   environment:
@@ -137,12 +137,12 @@ steps:
   - clone
 
 - name: coverage
-  image: golang:1.11.13
+  image: golang:1.12.13
   commands:
   - apt update
   - apt install -y redis-server
-  - "redis-server &>/dev/null &"
-  - "timeout 10 sh -c \"while ! redis-cli ping; do echo waiting for redis-server to start; sleep 1; done\""
+  - redis-server &>/dev/null &
+  - timeout 10 sh -c "while ! redis-cli ping; do echo waiting for redis-server to start; sleep 1; done"
   - make gocoverage
   depends_on:
   - mod-download
@@ -156,73 +156,7 @@ steps:
   - mod-download
 
 - name: build
-  image: golang:1.11.13
-  commands:
-  - make build
-  environment:
-    CGO_ENABLED: 0
-  when:
-    event:
-    - pull_request
-    - push
-  depends_on:
-  - mod-download
-
-- name: test-ci-dockerfile
-  image: plugins/docker
-  settings:
-    dockerfile: drone/Dockerfile
-    dry_run: true
-    repo: videodev/video-transcoding-api
-  when:
-    event:
-    - pull_request
-  depends_on:
-  - build
-
----
-kind: pipeline
-name: go-1.13beta1
-
-platform:
-  os: linux
-  arch: amd64
-
-workspace:
-  base: /go
-  path: video-transcoding-api
-
-steps:
-- name: mod-download
-  image: golang:1.13beta1
-  commands:
-  - go mod download
-  environment:
-    GOPROXY: https://proxy.golang.org
-  depends_on:
-  - clone
-
-- name: coverage
-  image: golang:1.13beta1
-  commands:
-  - apt update
-  - apt install -y redis-server
-  - "redis-server &>/dev/null &"
-  - "timeout 10 sh -c \"while ! redis-cli ping; do echo waiting for redis-server to start; sleep 1; done\""
-  - make gocoverage
-  depends_on:
-  - mod-download
-
-- name: lint
-  pull: always
-  image: golangci/golangci-lint
-  commands:
-  - make runlint
-  depends_on:
-  - mod-download
-
-- name: build
-  image: golang:1.13beta1
+  image: golang:1.12.13
   commands:
   - make build
   environment: