fix: package division main and dev/test

Makefile

@@ -141,15 +141,10 @@ install-poetry: ## Install Poetry
 	@curl -sSL https://install.python-poetry.org | python -
 .PHONY: install-poetry
 
-install-packages: ## Install project dependencies without dev dependencies
-	@echo "Installing project dependencies..."
-	@$(POETRY) install --only main
-.PHONY: install-packages
-
-install-packages-dev: ## Install project dependencies with dev dependencies
+install-packages: ## Install all project dependencies
 	@echo "Installing project dependencies..."
 	@$(POETRY) install
-.PHONY: install-packages-dev
+.PHONY: install-packages
 
 logs: ## display docker app logs (follow mode)
 	@$(LOGS_DOCKER_DEV) -f nau-financial-app

docker/Dockerfile

@@ -68,8 +68,8 @@ RUN groupadd -r ${DOCKER_USER} && \
 # Copy only requirements, to cache them in docker layer
 COPY poetry.lock pyproject.toml /app/
 
-# Install packages via poetry:
-RUN poetry install --verbose
+# Install core packages via poetry
+RUN poetry install --verbose --only main
 
 # Gunicorn
 RUN mkdir -p /usr/local/etc/gunicorn
@@ -106,8 +106,8 @@ FROM core as development
 
 ARG DOCKER_USER
 
-# Install development dependencies
-# TODO
+# Install all dependencies, including development
+RUN poetry install --verbose
 
 # Un-privileged user running the application
 USER ${DOCKER_USER}:${DOCKER_USER}