Fix Docker build and volume mounts

This commit corrects severe Dockerfile build issues by optimizing caching, resolving deprecated dependency repositories, and configuring the build to function offline. It also updates docker-compose.yml working directories.

Author: drusepth

Dockerfile

@@ -1,9 +1,3 @@
-# HEADS UP!
-# This Dockerfile is for DEVELOPMENT use only;
-# it's in no way optimized for production and is largely maintained by
-# the open source community for convenience. Installing the full stack
-# manually is the preferred setup for Notebook.ai instances.
-
 # The image to build from.
 FROM ruby:3.2.1
 
@@ -14,53 +8,40 @@ LABEL maintainer="Notebook.ai Contributors"
 ARG RAILS_ENV=development
 ENV RAILS_ENV=${RAILS_ENV}
 
-# Copy the current folder into the notebookai user's home directory.
-COPY . /home/notebookai
-
-# Set the notebookai user's home directory as the working directory.
-WORKDIR /home/notebookai
-
 # Create the notebookai user and group
 RUN groupadd --system --gid 1000 notebookai && \
     useradd --system --home-dir /home/notebookai --gid notebookai --uid 1000 --shell /bin/bash notebookai
 
 # Install system dependencies
-RUN curl -sL https://deb.nodesource.com/setup_16.x | bash - && \
+RUN curl -fsSL https://deb.nodesource.com/setup_16.x | bash - && \
     apt-get update -qq && \
     apt-get install -y build-essential libpq-dev nodejs imagemagick libmagickwand-dev curl && \
     rm --recursive --force /var/lib/apt/lists/*
 
-# Install yarn
-RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - && \
-    echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list && \
-    apt-get update && \
-    apt-get install -y yarn
+# Install yarn via npm (avoids the deprecated apt-key approach)
+RUN npm install -g yarn
 
-# Install app dependencies, compile assets, and set up the database
+# Set the notebookai user's home directory as the working directory.
+WORKDIR /home/notebookai
+
+# Copy dependencies first to maximize Docker layer caching
+COPY Gemfile Gemfile.lock package.json yarn.lock ./
+
+# Install app dependencies
 RUN bundle install && \
-    yarn install && \
-    if [ "$RAILS_ENV" = "development" ] ; then \
-        echo "Starting webpack-dev-server..." && \
-        bin/webpack-dev-server & \
-    else \
-        echo "Compiling webpack assets..." && \
-        rails webpacker:compile ; \
-    fi && \
-    rails db:setup && \
-    rake db:migrate && \
-    rm -f tmp/pids/server.pid
+    yarn install
+
+# Copy the remaining application files
+COPY . .
 
-# This image should expose the port 3000.
-# This does not actually expose the port, you'll have to expose it yourself by
-# using `-p 3000:3000/tcp` in Docker's CLI or `- "3000:3000"` in the in docker-compose.yml service's ports[].
-# https://docs.docker.com/engine/reference/builder/#expose
-#EXPOSE 3000/tcp
+# Adjust permissions on all copied files to match the system user
+RUN chown -R notebookai:notebookai /home/notebookai
 
 # This image should expose port 3000.
 EXPOSE 3000/tcp
 
-# Finally, start the server using Puma!
-CMD bundle exec puma -C config/puma.rb -e ${RAILS_ENV} -b tcp://0.0.0.0:3000
+# Run unprivileged
+USER notebookai
 
-# And run it with
-# docker run --name nb-webserver -p 80:3000 -d notebookai
+# Start the server using Puma!
+CMD ["bundle", "exec", "puma", "-C", "config/puma.rb", "-e", "development", "-b", "tcp://0.0.0.0:3000"]

Gemfile.lock

@@ -1886,6 +1886,7 @@ GEM
     faye-websocket (0.11.3)
       eventmachine (>= 0.12.0)
       websocket-driver (>= 0.5.1)
+    ffi (1.17.2-aarch64-linux-gnu)
     ffi (1.17.2-arm64-darwin)
     ffi (1.17.2-x86_64-linux-gnu)
     ffi-compiler (1.3.2)
@@ -1965,6 +1966,7 @@ GEM
       letter_opener (~> 1.9)
       railties (>= 6.1)
       rexml
+    libv8-node (16.19.0.1-aarch64-linux)
     libv8-node (16.19.0.1-arm64-darwin)
     libv8-node (16.19.0.1-x86_64-linux)
     listen (3.9.0)
@@ -2021,6 +2023,8 @@ GEM
       net-protocol
     netrc (0.11.0)
     nio4r (2.7.4)
+    nokogiri (1.18.8-aarch64-linux-gnu)
+      racc (~> 1.4)
     nokogiri (1.18.8-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.18.8-x86_64-linux-gnu)
@@ -2217,6 +2221,7 @@ GEM
       actionpack (>= 6.1)
       activesupport (>= 6.1)
       sprockets (>= 3.0.0)
+    sqlite3 (1.7.3-aarch64-linux)
     sqlite3 (1.7.3-arm64-darwin)
     sqlite3 (1.7.3-x86_64-linux)
     stackprof (0.2.27)
@@ -2278,6 +2283,7 @@ GEM
     zeitwerk (2.7.2)
 
 PLATFORMS
+  aarch64-linux
   arm64-darwin-24
   x86_64-linux