diff --git a/.dockerignore b/.dockerignore
deleted file mode 100644
index ee8871e..0000000
--- a/.dockerignore
+++ /dev/null
@@ -1,15 +0,0 @@
-/Makefile
-/LICENSE.txt
-/Gemfile.lock
-/extra/init.sh
-
-/app
-/bin
-/coverage
-/gemfiles
-/spec/dummy/db/*.sqlite3
-/spec/dummy/log
-/spec/dummy/tmp
-/spec/dummy/**/*_spec.rb
-
-/**/*.md
diff --git a/Makefile b/Makefile
index 253f9fd..8de8202 100644
--- a/Makefile
+++ b/Makefile
@@ -1,30 +1,43 @@
 include extra/.env
 
 help:
-	@echo "Main targets: build / specs / up / server / specs / shell"
+	@echo -e "${COMPOSE_PROJECT_NAME} - Main project commands:\n\
+		make up   	# starts the dev services (optional env vars: RUBY / RAILS / ACTIVEADMIN)\n\
+		make specs	# run the tests (after up)\n\
+		make lint 	# run the linters (after up)\n\
+		make server	# run the server (after up)\n\
+		make shell	# open a shell (after up)\n\
+		make down 	# cleanup (after up)\n\
+	Example: RUBY=3.2 RAILS=7.1.0 ACTIVEADMIN=3.2.0 make up"
 
-# Docker commands
+# System commands
 
 build:
-	@rm -f Gemfile.lock
+	@rm -f Gemfile.lock spec/dummy/db/*.sqlite3
 	@docker compose -f extra/docker-compose.yml build
 
-up: build
+db_reset:
+	@docker compose -f extra/docker-compose.yml run --rm app bin/rails db:reset db:test:prepare
+
+up: build db_reset
 	@docker compose -f extra/docker-compose.yml up
 
-cleanup:
+shell:
+	@docker compose -f extra/docker-compose.yml exec app bash
+
+down:
 	@docker compose -f extra/docker-compose.yml down --volumes --rmi local --remove-orphans
 
 # App commands
 
-server:
-	@docker compose -f extra/docker-compose.yml exec app bin/rails s -b 0.0.0.0 -p ${SERVER_PORT}
-
-specs:
-	@docker compose -f extra/docker-compose.yml exec app bin/rspec --fail-fast
+console:
+	@docker compose -f extra/docker-compose.yml exec app bin/rails console
 
 lint:
 	@docker compose -f extra/docker-compose.yml exec app bin/rubocop
 
-shell:
-	@docker compose -f extra/docker-compose.yml exec app bash
+server:
+	@docker compose -f extra/docker-compose.yml exec app bin/rails server -b 0.0.0.0 -p ${SERVER_PORT}
+
+specs:
+	@docker compose -f extra/docker-compose.yml exec app bin/rspec --fail-fast
diff --git a/extra/Dockerfile b/extra/Dockerfile
index 3fd30ae..e515d1e 100644
--- a/extra/Dockerfile
+++ b/extra/Dockerfile
@@ -6,7 +6,7 @@ ENV DEVEL=1
 ENV LANG=C.UTF-8
 
 RUN apt-get update -qq
-RUN apt-get install -yqq --no-install-recommends build-essential chromium libyaml-dev nano netcat-traditional pkg-config
+RUN apt-get install -yqq --no-install-recommends build-essential chromium less libyaml-dev nano netcat-traditional pkg-config
 
 ARG BUNDLER_VERSION
 RUN gem install bundler -v ${BUNDLER_VERSION}
@@ -26,6 +26,6 @@ ENV ACTIVEADMIN_VERSION=$ACTIVEADMIN_VERSION
 WORKDIR /app
 COPY . /app
 RUN bundle install
-RUN chown -R app:app /app/spec/dummy/db /usr/local/bundle
+RUN mkdir -p /app/spec/dummy/db && chown -R app:app /app/spec/dummy/db /usr/local/bundle
 
 RUN ln -s /app/extra/.bashrc /home/app/.bashrc
diff --git a/extra/Dockerfile.dockerignore b/extra/Dockerfile.dockerignore
new file mode 100644
index 0000000..d8535e6
--- /dev/null
+++ b/extra/Dockerfile.dockerignore
@@ -0,0 +1,6 @@
+# Ignore everything but the required files for bundle install
+/**/*
+
+!/*.gemspec
+!/Gemfile
+!/lib
diff --git a/extra/dev_setup.sh b/extra/dev_setup.sh
index 360b8ac..adea0b4 100755
--- a/extra/dev_setup.sh
+++ b/extra/dev_setup.sh
@@ -2,7 +2,7 @@
 
 export DEVEL=1
 
-export RAILS_VERSION=8.0.2
+export RAILS_VERSION=7.2.2.1
 export ACTIVEADMIN_VERSION=3.3.0
 
 export RAILS_ENV=development
diff --git a/extra/development.md b/extra/development.md
index a68d6e8..0bb16ad 100644
--- a/extra/development.md
+++ b/extra/development.md
@@ -2,7 +2,7 @@
 
 ### Dev setup
 
-There 3 ways to interact with this project:
+There are 2 ways to interact with this project:
 
 1) Using Docker:
 
@@ -24,19 +24,7 @@ RUBY=3.2 RAILS=7.1.0 ACTIVEADMIN=3.2.0 make up
 # For more commands please check the Makefile
 ```
 
-2) Using Appraisal:
-
-```sh
-export RAILS_ENV=development
-# Install dependencies:
-bin/appraisal
-# Run server (or any command):
-bin/appraisal rails s
-# Or with a specific configuration:
-bin/appraisal rails80-activeadmin rails s
-```
-
-3) With a local setup:
+2) With a local setup:
 
 ```sh
 # Dev setup (set the required envs):
diff --git a/extra/docker-compose.yml b/extra/docker-compose.yml
index 999255b..8879307 100644
--- a/extra/docker-compose.yml
+++ b/extra/docker-compose.yml
@@ -17,4 +17,3 @@ services:
       - ..:/app
     stdin_open: true
     tty: true
-    command: ${COMMAND:-extra/init.sh}
diff --git a/extra/init.sh b/extra/init.sh
deleted file mode 100755
index a17f21e..0000000
--- a/extra/init.sh
+++ /dev/null
@@ -1,7 +0,0 @@
-#!/bin/sh
-
-# Setup database
-bin/rails db:reset db:test:prepare
-
-#
-sh