Use passenger to run dockerized instance

We do this so Stacks can serve files (caption files, media files, etc.) directly without needing e.g. Wowza.

Dockerfile

@@ -2,16 +2,12 @@ ARG RUBY_VERSION=3.2.2-alpine
 FROM ruby:$RUBY_VERSION
 
 RUN apk add --update --no-cache  \
-  build-base \
-  git \
-  tzdata
+    build-base \
+    git \
+    tzdata
 
 WORKDIR /app
 
-ENV RAILS_ENV="production" \
-    BUNDLER_WITHOUT="development test" \
-    RAILS_SERVE_STATIC_FILES="true"
-
 COPY Gemfile Gemfile.lock ./
 
 RUN bundle install
@@ -25,4 +21,4 @@ RUN bundle exec bootsnap precompile --gemfile app/ lib/
 RUN SECRET_KEY_BASE_DUMMY=1 bundle exec rails assets:precompile
 
 EXPOSE 3000
-CMD ["./bin/rails", "server"]
+CMD ["./bin/rails", "server", "--binding=0.0.0.0"]