Docker: rearrange Dockerfile

We're seeing problems with the docker image build, so hopefully this
will help address them.

Author: mockdeep

.github/workflows/build.yml

@@ -55,5 +55,3 @@ jobs:
           tags: |
             ${{ steps.get-tag-latest.outputs.tags }}
             ${{ steps.get-tag-sha.outputs.tags }}
-          cache-from: type=gha
-          cache-to: type=gha

Dockerfile

@@ -1,4 +1,4 @@
-FROM ruby:3.4.1
+FROM ruby:3.4.1@sha256:45ca46a37e16d4f0b383ff6f400edc7e096361ac05c91ead86481ecc332e665e
 
 ENV RACK_ENV=production
 ENV RAILS_ENV=production
@@ -9,13 +9,10 @@ EXPOSE 8080
 
 SHELL ["/bin/bash", "-c"]
 
-WORKDIR /app
-ADD Gemfile Gemfile.lock /app/
-RUN gem install bundler:$BUNDLER_VERSION && bundle install
-
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
-      supervisor locales nodejs vim nano \
+      procps bzip2 libffi-dev libgmp-dev libssl-dev libyaml-dev zlib1g-dev libpq-dev \
+      build-essential python3-pkg-resources supervisor locales nodejs vim nano \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
@@ -39,6 +36,10 @@ RUN curl -fsSLO "$SUPERCRONIC_URL" \
  && mv "$SUPERCRONIC" "/usr/local/bin/${SUPERCRONIC}" \
  && ln -s "/usr/local/bin/${SUPERCRONIC}" /usr/local/bin/supercronic
 
+WORKDIR /app
+ADD Gemfile Gemfile.lock /app/
+RUN gem install bundler:$BUNDLER_VERSION && bundle install
+
 ADD docker/supervisord.conf /etc/supervisord.conf
 ADD docker/start.sh /app/
 ADD . /app

Gemfile

@@ -43,7 +43,6 @@ group :development, :test do
   gem "coveralls_reborn", require: false
   gem "debug"
   gem "factory_bot"
-  gem "pry-byebug"
   gem "rspec"
   gem "rspec-rails"
   gem "simplecov"

Gemfile.lock

@@ -96,7 +96,6 @@ GEM
     bootsnap (1.18.4)
       msgpack (~> 1.2)
     builder (3.3.0)
-    byebug (11.1.3)
     capybara (3.40.0)
       addressable
       matrix
@@ -106,7 +105,6 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
-    coderay (1.1.3)
     coercible (1.0.0)
       descendants_tracker (~> 0.0.1)
     concurrent-ruby (1.3.5)
@@ -184,7 +182,6 @@ GEM
       net-smtp
     marcel (1.0.4)
     matrix (0.4.2)
-    method_source (1.1.0)
     mini_mime (1.1.5)
     mini_portile2 (2.8.8)
     minitest (5.25.4)
@@ -210,12 +207,6 @@ GEM
       ast (~> 2.4.1)
       racc
     pg (1.5.9)
-    pry (0.14.2)
-      coderay (~> 1.1)
-      method_source (~> 1.0)
-    pry-byebug (3.10.1)
-      byebug (~> 11.0)
-      pry (>= 0.13, < 0.15)
     psych (5.2.3)
       date
       stringio
@@ -417,7 +408,6 @@ DEPENDENCIES
   httparty
   nokogiri (~> 1.18.0)
   pg
-  pry-byebug
   puma (~> 6.4)
   rack-ssl
   rails (~> 8.0.0)