updated for deployment on suy.nl
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@@ -37,7 +37,7 @@ The app is served below `/fatima` by default. Configure the external path in
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```yaml
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flask:
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url_prefix: "/fatima"
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url_prefix: "" # no prefix if site sits under fatima.suy.nl
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log_file: "/tmp/fatima.log"
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database: "instance/calendar.sqlite"
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```
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@@ -51,8 +51,8 @@ server (Waitress or Gunicorn).
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The following example targets a Debian/Ubuntu server using:
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- `/srv/fatima` for the application and virtual environment
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- `/etc/fatima/config.yaml` for secrets and application configuration
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- `/srv/Fatima` for the application and virtual environment
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- `/etc/Fatima/config.yaml` for secrets and application configuration
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- `/var/lib/fatima/calendar.sqlite` for persistent data
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- `/run/fatima/gunicorn.sock` for the private Gunicorn socket
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- `fatima.service` to run the application as an unprivileged `fatima` user
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@@ -67,17 +67,17 @@ Install the operating-system packages and create a service account:
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```sh
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sudo apt update
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sudo apt install nginx python3 python3-venv
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sudo useradd --system --user-group --home-dir /srv/fatima --shell /usr/sbin/nologin fatima
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sudo useradd --system --user-group --home-dir /srv/Fatima --shell /usr/sbin/nologin fatima
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```
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Copy or clone the repository into `/srv/fatima`, then create the virtual
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Copy or clone the repository into `/srv/Fatima`, then create the virtual
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environment and install the dependencies. Gunicorn is an additional production
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dependency; Waitress remains suitable for the local command documented above.
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```sh
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sudo chown -R fatima:fatima /srv/fatima
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sudo -u fatima python3 -m venv /srv/fatima/.venv
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sudo -u fatima /srv/fatima/.venv/bin/pip install -r /srv/fatima/requirements.txt gunicorn
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sudo chown -R fatima:fatima /srv/Fatima
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sudo -u fatima python3 -m venv /srv/Fatima/.venv
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sudo -u fatima /srv/Fatima/.venv/bin/pip install -r /srv/Fatima/requirements.txt gunicorn
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```
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For repeatable deployments, pin the Gunicorn version used by the server in your
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@@ -91,16 +91,11 @@ Generate a signing key:
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python3 -c "import secrets; print(secrets.token_hex(32))"
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```
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Create `/etc/fatima/config.yaml` using `config.example.yaml` as a guide:
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```sh
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sudo install -d -o root -g fatima -m 750 /etc/fatima
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```
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```yaml
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flask:
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secret_key: "paste-the-generated-random-value-here"
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url_prefix: "/fatima"
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url_prefix: ""
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log_file: "/var/log/fatima/startup.log"
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database: "/var/lib/fatima/calendar.sqlite"
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@@ -117,8 +112,8 @@ amounts:
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Protect the file because it contains the login password and Flask signing key:
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```sh
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sudo chown root:fatima /etc/fatima/config.yaml
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sudo chmod 640 /etc/fatima/config.yaml
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sudo chown root:fatima /srv/Fatima/config.yaml
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sudo chmod 640 /srv/Fatima/config.yaml
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```
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The systemd unit below creates `/var/lib/fatima`, `/var/log/fatima`, and
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@@ -140,9 +135,8 @@ Type=simple
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User=fatima
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Group=www-data
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SupplementaryGroups=fatima
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WorkingDirectory=/srv/fatima
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Environment=APP_CONFIG=/etc/fatima/config.yaml
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ExecStart=/srv/fatima/.venv/bin/gunicorn \
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WorkingDirectory=/srv/Fatima
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ExecStart=/srv/Fatima/.venv/bin/gunicorn \
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--workers 2 \
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--bind unix:/run/fatima/gunicorn.sock \
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--umask 007 \
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@@ -184,7 +178,7 @@ configuring Nginx, verify Gunicorn directly:
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```sh
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sudo -u www-data curl --unix-socket /run/fatima/gunicorn.sock \
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--head http://localhost/fatima/
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--head http://localhost
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```
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A redirect to `/fatima/login` is the expected response when no authenticated
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@@ -204,38 +198,27 @@ server {
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listen [::]:80;
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server_name calendar.example.com;
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location = /fatima {
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return 301 /fatima/;
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}
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location /fatima/ {
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proxy_pass http://fatima_gunicorn;
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proxy_http_version 1.1;
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location / {
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proxy_pass http://unix:/run/fatima/gunicorn.sock;
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proxy_set_header Host $host;
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proxy_set_header X-Real-IP $remote_addr;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_read_timeout 60s;
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}
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}
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```
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There is deliberately no URI after `proxy_pass`: Nginx must forward
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`/fatima/...` unchanged because Fatima's prefix middleware removes that prefix
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before Flask routes the request. Do not rewrite it to `/`.
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Enable and validate the site:
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```sh
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sudo ln -s /etc/nginx/sites-available/fatima /etc/nginx/sites-enabled/fatima
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sudo nginx -t
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sudo systemctl reload nginx
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curl --head http://calendar.example.com/fatima/
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curl --head http://calendar.example.com/
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```
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Add TLS before exposing the login publicly. Once the certificate is configured,
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redirect HTTP to HTTPS and keep the same `/fatima/` proxy block in the TLS
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server. The application stores authentication in a signed browser session, so
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The application stores authentication in a signed browser session, so
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keep `secret_key` stable across restarts and deployments; changing it logs out
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all existing sessions.
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@@ -244,7 +227,7 @@ all existing sessions.
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After deploying new source or dependencies:
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```sh
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sudo -u fatima /srv/fatima/.venv/bin/pip install -r /srv/fatima/requirements.txt
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sudo -u fatima /srv/Fatima/.venv/bin/pip install -r /srv/Fatima/requirements.txt
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sudo systemctl restart fatima
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sudo systemctl reload nginx
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```
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