diff --git a/Makefile b/Makefile
index 8479e6bb..3623f70d 100644
--- a/Makefile
+++ b/Makefile
@@ -10,20 +10,30 @@ PYTHON_EXE=python3.12
 VENV_LOCATION=.venv
 ACTIVATE?=. ${VENV_LOCATION}/bin/activate;
 MANAGE=${VENV_LOCATION}/bin/python manage.py
+# Do not depend on Python to generate the SECRET_KEY
+GET_SECRET_KEY=`head -c50 /dev/urandom | base64 | head -c50`
 PIP_ARGS=--find-links=./thirdparty/dist/ --no-index --no-cache-dir
-GET_SECRET_KEY=`cat /dev/urandom | head -c 50  | base64`
 # Customize with `$ make envfile ENV_FILE=/etc/dejacode/.env`
 ENV_FILE=.env
 DOCS_LOCATION=./docs
 DOCKER_COMPOSE=docker compose -f docker-compose.yml
-DOCKER_EXEC=${DOCKER_COMPOSE} exec
+DOCKER_EXEC=${DOCKER_COMPOSE} eUSERNAMExec
 DB_NAME=dejacode_db
 DB_USERNAME=dejacode
+DB_PASSWORD=dejacode
 DB_CONTAINER_NAME=db
 DB_INIT_FILE=./data/postgresql/initdb.sql.gz
 POSTGRES_INITDB_ARGS=--encoding=UTF-8 --lc-collate=en_US.UTF-8 --lc-ctype=en_US.UTF-8
 TIMESTAMP=$(shell date +"%Y-%m-%d_%H%M")
 
+# Use sudo for postgres, only on Linux
+UNAME := $(shell uname)
+ifeq ($(UNAME), Linux)
+	SUDO_POSTGRES=sudo -u postgres
+else
+	SUDO_POSTGRES=
+endif
+
 virtualenv:
 	@echo "-> Bootstrap the virtualenv with PYTHON_EXE=${PYTHON_EXE}"
 	${PYTHON_EXE} -m venv ${VENV_LOCATION}
@@ -42,12 +52,17 @@ envfile:
 	@echo "-> Create the .env file and generate a secret key"
 	@if test -f ${ENV_FILE}; then echo "${ENV_FILE} file exists already"; exit 1; fi
 	@mkdir -p $(shell dirname ${ENV_FILE}) && touch ${ENV_FILE}
-	@echo "SECRET_KEY=${GET_SECRET_KEY}" > ${ENV_FILE}
+	@echo SECRET_KEY=\"${GET_SECRET_KEY}\" > ${ENV_FILE}
+
+envfile_dev: envfile
+	@echo "-> Update the .env file for development"
+	@echo DATABASE_PASSWORD=\"dejacode\" >> ${ENV_FILE}
 
 doc8:
 	@echo "-> Run doc8 validation"
 	@${ACTIVATE} doc8 --max-line-length 100 --ignore-path docs/_build/ \
-	  --ignore-path docs/installation_and_sysadmin/ --quiet docs/
+	  --ignore-path docs/installation_and_sysadmin/ \
+	  --quiet docs/
 
 valid:
 	@echo "-> Run Ruff format"
@@ -62,6 +77,9 @@ check:
 	@${ACTIVATE} ruff format --check
 	@echo "-> Running ABOUT files validation"
 	@${ACTIVATE} about check ./thirdparty/
+	@${ACTIVATE} about check ./data/
+	@${ACTIVATE} about check ./dje/
+	@${ACTIVATE} about check ./dejacode_toolkit/
 	@$(MAKE) doc8
 
 check-deploy:
@@ -69,7 +87,7 @@ check-deploy:
 	${MANAGE} check --deploy
 
 clean:
-	@echo "-> Cleaning the Python env"
+	@echo "-> Clean the Python env"
 	rm -rf .venv/ .*_cache/ *.egg-info/ build/ dist/
 	find . -type f -name '*.py[co]' -delete -o -type d -name __pycache__ -delete
 
@@ -94,17 +112,28 @@ migrate:
 	@echo "-> Apply database migrations"
 	${MANAGE} migrate
 
-# make postgresdb DB_PASSWORD=YOUR_PASSWORD
+upgrade:
+	@echo "-> Upgrade local git checkout"
+	@git pull
+	@$(MAKE) migrate
+
 postgresdb:
 	@echo "-> Configure PostgreSQL database"
 	@echo "-> Create database user ${DB_NAME}"
-	@createuser --no-createrole --no-superuser --login --inherit --createdb '${DB_USERNAME}' || true
-	@psql -c "alter user ${DB_USERNAME} with encrypted password '${DB_PASSWORD}';" || true
+	@${SUDO_POSTGRES} createuser --no-createrole --no-superuser --login --inherit --createdb '${DB_USERNAME}' || true
+	@${SUDO_POSTGRES} psql -c "alter user ${DB_USERNAME} with encrypted password '${DB_PASSWORD}';" || true
 	@echo "-> Drop ${DB_NAME} database if exists"
-	@dropdb ${DB_NAME} || true
-	@echo "-> Create ${DB_NAME} database"
-	@createdb --owner=${DB_USERNAME} ${POSTGRES_INITDB_ARGS} ${DB_NAME}
+	@${SUDO_POSTGRES} dropdb ${DB_NAME} || true
+	@echo "-> Create ${DB_NAME} database: createdb --owner=${DB_USERNAME} ${POSTGRES_INITDB_ARGS} ${DB_NAME}"
+	@${SUDO_POSTGRES} createdb --owner=${DB_USERNAME} ${POSTGRES_INITDB_ARGS} ${DB_NAME}
 	@gunzip < ${DB_INIT_FILE} | psql --username=${DB_USERNAME} ${DB_NAME}
+	@echo "-> Apply database migrations"
+	${MANAGE} migrate
+
+postgresdb_clean:
+	@echo "-> Drop PostgreSQL user and database"
+	@${SUDO_POSTGRES} dropdb ${DB_NAME} || true
+	@${SUDO_POSTGRES} dropuser '${DB_USERNAME}' || true
 
 run:
 	${MANAGE} runserver 8000 --insecure
@@ -143,4 +172,4 @@ log:
 createsuperuser:
 	${DOCKER_EXEC} web ./manage.py createsuperuser
 
-.PHONY: virtualenv conf dev envfile check doc8 valid check-deploy clean initdb postgresdb migrate run test docs build psql bash shell log createsuperuser
+.PHONY: virtualenv conf dev envfile envfile_dev check doc8 valid check-deploy clean initdb postgresdb postgresdb_clean migrate upgrade run test docs build psql bash shell log createsuperuser
diff --git a/docs/installation.rst b/docs/installation.rst
index f9ac2692..e25db587 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -168,7 +168,7 @@ Supported Platforms
 
 **DejaCode** has been tested and is supported on the following operating systems:
 
-#. **Debian-based** Linux distributions
+#. **Debian-based** Linux distributions. It is reported to work well Fedora.
 #. **macOS** 10.14 and up
 
 .. warning::
@@ -183,6 +183,10 @@ Before you install DejaCode, make sure you have the following prerequisites:
 #. **Git**: most recent release available at https://git-scm.com/
 #. **PostgreSQL**: release 16 or later found at https://www.postgresql.org/ or
    https://postgresapp.com/ on macOS
+#. **ldap** development libraries to build python-ldap on Linux.
+   For instance on Debian::
+
+    apt-get install -y libldap2-dev libsasl2-dev
 
 .. _system_dependencies:
 
@@ -199,7 +203,7 @@ Clone and Configure
 
 #. Create an environment file::
 
-    make envfile
+    make envfile_dev
 
 Database
 --------
@@ -209,6 +213,11 @@ To set up the database user, database, and table, run::
 
     make postgresdb
 
+To entirely delete the database user, database, and tables, run::
+
+    make postgresdb_clean
+
+
 Tests
 -----