took out some unnecessary installs in Dockerfile, updated README

Author: David Zuckerman

Dockerfile

@@ -12,18 +12,11 @@ RUN groupadd -g 40054 alma && \
     chown -R bfs:bfs /opt/app
 
 # Get list of available packages
-RUN apt-get update -qq
-
-# Install system packages needed to build gems with C extensions.
-RUN apt-get install -y --no-install-recommends \
-    g++ \
-    git \
+RUN apt-get -y update  && \
+    apt-get -y --no-install-recommends install \
     build-essential \
-    libxml2-dev \
-    libxslt1-dev \
     make
 
-
 WORKDIR /opt/app
 COPY --chown=bfs Gemfile* .ruby-version ./
 RUN bundle config set force_ruby_platform true

README.md

@@ -33,7 +33,7 @@ Watch a non-standard directory:
 
 ```sh
 docker compose run --rm app watch /path/in/container # absolute path
-docker compose run --rm app watch data/somedir # path relative to /opt/app-root/src
+docker compose run --rm app watch data/somedir # path relative to /opt/app
 ```
 
 Process a specific file: