using ruby3.3-slim for image, updated README, using app name for service instead of bfs now (#3)

took out some unnecessary installs in Dockerfile, updated README

using multi-target for images

set working directory for production docker build

Adding entrypoint to production build

moved some common dev and production settings to base in Dockerfile, fixed some annotation warning

Co-authored-by: David Zuckerman <dzuckerm@library.berkeley.edu>

Author: davezuckerman

.ruby-version

@@ -1 +1 @@
-3.1.7
+~> 3.3

Dockerfile

@@ -1,22 +1,58 @@
-FROM registry.access.redhat.com/ubi8/ruby-31
+FROM ruby:3.3-slim AS base
 USER root
 
 # Configure users and groups
 RUN groupadd -g 40054 alma && \
     useradd -r -s /sbin/nologin -M -u 40054 -g alma alma && \
+    useradd -u 40061 bfs && \
     groupadd -g 40061 bfs && \
     usermod -u 40061 -g bfs -G alma -l bfs default && \
     find / -user 1001 -exec chown -h bfs {} \; || true && \
     mkdir -p /opt/app && \
     chown -R bfs:bfs /opt/app
 
+# Get list of available packages
+RUN apt-get -y update -qq
+
+COPY --chown=bfs . /opt/app
+
+ENTRYPOINT ["/opt/app/bin/bfs"]
+CMD ["help"]
+
+# ===============================================
+# Target: development
+# ===============================================
+
+FROM base AS development
+
+USER root
+ 
+RUN apt-get -y --no-install-recommends install \
+    build-essential \
+    make
+
+USER bfs
+
+# Base image ships with an older version of bundler
+RUN gem install bundler --version 2.5.22
+
 WORKDIR /opt/app
 COPY --chown=bfs Gemfile* .ruby-version ./
 RUN bundle config set force_ruby_platform true
 RUN bundle config set system 'true'
 RUN bundle install
-COPY --chown=bfs . .
 
-USER bfs
-ENTRYPOINT ["/opt/app/bin/bfs"]
-CMD ["help"]
+# COPY --chown=bfs:bfs . .
+
+# =================================
+# Target: production
+# =================================
+FROM base AS production
+
+# Copy the built codebase from the dev stage
+# COPY --from=development --chown=bfs /opt/app /opt/app
+COPY --from=development --chown=bfs /usr/local/bundle /usr/local/bundle
+
+WORKDIR /opt/app
+RUN bundle config set frozen 'true'
+RUN bundle install --local

Gemfile

@@ -13,5 +13,3 @@ gem 'net-ssh', '~> 7.1.0'
 gem 'nokogiri', '~> 1.15.0'
 gem 'rspec'
 gem 'thor', '~> 1.1'
-
-

README.md

@@ -13,13 +13,13 @@ docker compose build
 View the CLI tool help/description:
 
 ```sh
-docker compose run --rm bfs help
+docker compose run --rm app help
 ```
 
 Adds test data to the default watch directory:
 
 ```sh
-docker compose run --rm bfs seed
+docker compose run --rm app seed
 ```
 
 Run the app in the background. It will continue running, monitoring for .xml files to process every 10s.
@@ -32,19 +32,19 @@ docker compose logs -f # view processing logs in real time
 Watch a non-standard directory:
 
 ```sh
-docker compose run --rm bfs watch /path/in/container # absolute path
-docker compose run --rm bfs watch data/somedir # path relative to /opt/app-root/src
+docker compose run --rm app watch /path/in/container # absolute path
+docker compose run --rm app watch data/somedir # path relative to /opt/app
 ```
 
 Process a specific file:
 
 ```sh
-docker compose run --rm bfs process /abs/path/to/myfile.xml # absolute path
-docker compose run --rm bfs process data/invoicing/pay/somefile.xml # relative path
+docker compose run --rm app process /abs/path/to/myfile.xml # absolute path
+docker compose run --rm app process data/invoicing/pay/somefile.xml # relative path
 ```
 
 Delete previously processed files and error logs:
 
 ```sh
-docker compose run --rm bfs clear
+docker compose run --rm app clear
 ```

docker-compose.yml

@@ -1,6 +1,8 @@
 services:
   app:
-    build: .
+    build:
+      context: .
+      target: development 
     command: watch --interval 10
     init: true 
     environment: