Updates with more packages

Updated the manual installation file to get everybody up and running.
There were missing requirements like the nginx installation and so on.

Now a first time linux user should be able to get this up and running.

docs/install/manual.md

@@ -3,12 +3,17 @@
 These instructions are inspired from a standard django/gunicorn/postgresql instructions ([for example](https://www.digitalocean.com/community/tutorials/how-to-set-up-django-with-postgres-nginx-and-gunicorn-on-ubuntu-16-04))
 
 !!! warning
-    Be sure to use python 3.9 and pip related to python 3.9. Depending on your distribution calling `python` or `pip` will use python2 instead of python 3.9.
+    Be sure to use python 3.9 at least and pip related to python 3.9 at least. Depending on your distribution calling `python` or `pip` will use python2 instead of python 3.9. As of writing this documentation 3.10 is available as well.
+    Make sure your machine got at least 2048 MB memory, otherwise the yarn build will fail with `FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory`.
 
 ## Prerequisites
 
 Setup user: `sudo useradd recipes`
 
+Update the repositories and upgrade your OS: `sudo apt update && sudo apt upgrade -y`
+
+Install all prerequisits `sudo apt install -y git curl python3 python3-pip python3-venv nginx`
+
 Get the last version from the repository: `git clone https://github.com/vabene1111/recipes.git -b master`
 
 Move it to the `/var/www` directory: `mv recipes /var/www`
@@ -17,18 +22,18 @@ Change to the directory: `cd /var/www/recipes`
 
 Give the user permissions: `chown -R recipes:www-data /var/www/recipes`
 
-Create virtual env: `python3.9 -m venv /var/www/recipes`
+Create virtual env: `python3 -m venv /var/www/recipes`
 
 Install Javascript Tools (nodejs >= 12 required)
 ```shell
 ### Just use one of these possibilites!
 # Using Ubuntu
 curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
-sudo apt-get install -y nodejs
+sudo apt install -y nodejs
 
 # Using Debian, as root
 curl -fsSL https://deb.nodesource.com/setup_lts.x | bash -
-apt-get install -y nodejs
+apt install -y nodejs
 
 # Using a RPM based distro
 ## ... as root
@@ -47,13 +52,13 @@ sudo npm install --global yarn
 ### Install postgresql requirements
 
 ```shell
-sudo apt install libpq-dev postgresql
+sudo apt install -y libpq-dev postgresql
 ```
 
 ### Install LDAP requirements
 
 ```shell
-sudo apt install libsasl2-dev python-dev libldap2-dev libssl-dev
+sudo apt install -y libsasl2-dev python3-dev libldap2-dev libssl-dev
 ```
 
 ### Install project requirements
@@ -65,12 +70,13 @@ sudo apt install libsasl2-dev python-dev libldap2-dev libssl-dev
 Using binaries from the virtual env:
 
 ```shell
-/var/www/recipes/bin/pip3.9 install -r requirements.txt
+/var/www/recipes/bin/pip3 install -r requirements.txt
 ```
 
 You will also need to install front end requirements and build them. For this navigate to the `./vue` folder and run
 
 ```shell
+cd ./vue
 yarn install
 yarn build
 ```
@@ -96,6 +102,9 @@ ALTER ROLE djangouser SET timezone TO 'UTC';
 
 --Grant superuser right to your new user, it will be removed later
 ALTER USER djangouser WITH SUPERUSER;
+
+--exit Postgres Environment
+exit
 ```
 
 Download the `.env` configuration file and **edit it accordingly**.
@@ -105,7 +114,7 @@ wget https://raw.githubusercontent.com/vabene1111/recipes/develop/.env.template
 
 Things to edit:
 
-- `SECRET_KEY`: use something secure.
+- `SECRET_KEY`: use something secure (generate it with `base64 /dev/urandom | head -c50` f.e.).
 - `POSTGRES_HOST`: probably 127.0.0.1.
 - `POSTGRES_PASSWORD`: the password we set earlier when setting up djangodb.
 - `STATIC_URL`, `MEDIA_URL`: these will be in `/var/www/recipes`, under `/staticfiles/` and `/mediafiles/` respectively.
@@ -114,11 +123,16 @@ Things to edit:
 
 Execute `export $(cat /var/www/recipes/.env |grep "^[^#]" | xargs)` to load variables from `/var/www/recipes/.env`
 
-Execute `bin/python3.9 manage.py migrate`
+Execute `./bin/python3 manage.py migrate`
 
-and revert superuser from postgres: `sudo -u postgres psql` and `ALTER USER djangouser WITH NOSUPERUSER;`
+and revert superuser from postgres:
 
-Generate static files: `bin/python3.9 manage.py collectstatic` and `bin/python3.9 manage.py collectstatic_js_reverse` and remember the folder where files have been copied.
+```
+sudo -u postgres psql` and `ALTER USER djangouser WITH NOSUPERUSER;
+exit
+```
+
+Generate static files: `./bin/python3 manage.py collectstatic` and `./bin/python3 manage.py collectstatic_js_reverse` and remember the folder where files have been copied.
 
 ## Setup web services
 
@@ -151,7 +165,7 @@ WantedBy=multi-user.target
 
 *Note2*: Fix the path in the `ExecStart` line to where you gunicorn and recipes are
 
-Finally, run `sudo systemctl enable gunicorn_recipes` and `sudo systemctl start gunicorn_recipes`. You can check that the service is correctly started with `systemctl status gunicorn_recipes`
+Finally, run `sudo systemctl enable --now gunicorn_recipes`. You can check that the service is correctly started with `systemctl status gunicorn_recipes`
 
 ### nginx
 
@@ -190,6 +204,8 @@ Reload nginx : `sudo systemctl reload nginx`
 In order to update the application you will need to run the following commands (probably best to put them into a small script).
 
 ```shell
+# change directory
+cd /var/www/recipes
 # Update source files
 git pull
 # load envirtonment variables