update to use ruby 2.7.1

.drone.yml

@@ -0,0 +1,16 @@
+kind: pipeline
+name: default
+
+steps:
+- name: build image
+  image: ruby:2.7.1-slim
+  commands:
+  - apt-get update -y && apt-get install -y curl build-essential
+  - curl https://get.docker.io/builds/Linux/x86_64/docker-latest -o /usr/local/bin/docker
+  - chmod +x /usr/local/bin/docker
+  - gem install bundler:2.1.4
+  - bundle config set deployment 'true'
+  - bundle config set without 'development test'
+  - bundle install
+  - make build_docker
+  - make push_docker

.tool-versions

@@ -0,0 +1 @@
+ruby 2.7.1

Dockerfile

@@ -1,14 +1,28 @@
-FROM ruby:2.3.5-slim
+FROM ruby:2.7.1-slim
 
-RUN apt-get update && apt-get install -y build-essential libffi-dev libgdbm-dev libncurses5-dev libreadline-dev libssl-dev libyaml-dev zlib1g-dev curl libyaml-0-2 libxml2-dev libxslt-dev
-#RUN apk --update add --virtual openssl-dev build-dependencies ruby-dev build-base
+RUN apt-get update \
+  && apt-get install -y \
+  build-essential \
+  libffi-dev \
+  libgdbm-dev \
+  libncurses5-dev \
+  libreadline-dev \
+  libssl-dev \
+  libyaml-dev \
+  zlib1g-dev \
+  curl \
+  libyaml-0-2 \
+  libxml2-dev \
+  libxslt-dev
 
 # Set environment variables.
 ENV HOME /var/app
 ENV RACK_ENV production
 # Define working directory.
 ADD . /var/app
-RUN cd /var/app; bundle install --without development test
+RUN bundle config set deployment 'true' \
+  && bundle config set without 'development test'
+RUN cd /var/app; bundle install
 
 WORKDIR /var/app
 

Gemfile.lock

@@ -1,26 +1,32 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    concurrent-ruby (1.0.5)
-    connection_pool (2.2.1)
-    haml (4.0.5)
+    connection_pool (2.2.2)
+    haml (5.1.2)
+      temple (>= 0.8.0)
       tilt
-    puma (2.11.1)
-      rack (>= 1.1, < 2.0)
-    rack (1.6.11)
-    rack-protection (1.5.5)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
+    nio4r (2.5.2)
+    puma (4.3.5)
+      nio4r (~> 2.0)
+    rack (2.2.2)
+    rack-protection (2.0.8.1)
       rack
-    redis (4.0.1)
-    sidekiq (5.0.5)
-      concurrent-ruby (~> 1.0)
-      connection_pool (~> 2.2, >= 2.2.0)
-      rack-protection (>= 1.5.0)
-      redis (>= 3.3.4, < 5)
-    sinatra (1.4.4)
-      rack (~> 1.4)
-      rack-protection (~> 1.4)
-      tilt (~> 1.3, >= 1.3.4)
-    tilt (1.4.1)
+    redis (4.1.4)
+    ruby2_keywords (0.0.2)
+    sidekiq (6.0.7)
+      connection_pool (>= 2.2.2)
+      rack (~> 2.0)
+      rack-protection (>= 2.0.0)
+      redis (>= 4.1.0)
+    sinatra (2.0.8.1)
+      mustermann (~> 1.0)
+      rack (~> 2.0)
+      rack-protection (= 2.0.8.1)
+      tilt (~> 2.0)
+    temple (0.8.2)
+    tilt (2.0.10)
 
 PLATFORMS
   ruby
@@ -32,4 +38,4 @@ DEPENDENCIES
   sinatra
 
 BUNDLED WITH
-   1.16.0
+   2.1.4