Move to Alpine image

Author: grega

Dockerfile

@@ -1,6 +1,12 @@
-FROM ruby:2.5
+FROM ruby:2.5-alpine
 
-RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs
+RUN apk add --update \
+  build-base \
+  libxml2-dev \
+  libxslt-dev \
+  postgresql-dev \
+  tzdata \
+  nodejs
 
 RUN mkdir /app
 WORKDIR /app

docker-compose.yml

@@ -8,7 +8,7 @@ services:
       - '5432:5432'
   web:
     build: .
-    command: bundle exec rails s -p 3000 -b '0.0.0.0'
+    command: /bin/sh -c "rm -f tmp/pids/server.pid && bundle exec rails s -p 3000 -b '0.0.0.0'"
     volumes:
       - .:/app
     ports: