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Installation of sr.ht web services uses a mostly consistent procedure across the
network. Specific details to each service are available on each service's
installation page:
- [builds.sr.ht](/builds.sr.ht/installation.md)
- [git.sr.ht](/git.sr.ht/installation.md)
- [lists.sr.ht](/lists.sr.ht/installation.md)
- [man.sr.ht](/man.sr.ht/installation.md)
- [meta.sr.ht](/meta.sr.ht/installation.md)
- [todo.sr.ht](/todo.sr.ht/installation.md)
All sr.ht sysadmins are encouraged to subscribe to the
[sr.ht-admins](https://lists.sr.ht/~sircmpwn/sr.ht-admins) mailing list, a
low-volume list of sysadmin-oriented announcements regarding breaking changes,
security vulnerabilities, and so on.
General installation instructions follow.
# Packages
sr.ht provides a number of Linux distribution package repositories for your
use. For details specific to your distribution, see [packages.md](/packages.md).
Even if you wish to install sr.ht services from source, your distribution may
not include some of our dependencies and using our package repositories is
recommended.
Installation from packages will also give you distro-specific daemon services
and will handle database migrations automatically during system updates.
# Prerequisites
You will need at least:
- A PostgreSQL server
- A Redis server
- A mail server
- A cron daemon
In order to use most sr.ht services.
# sr.ht core
sr.ht core is a Python package that provides shared functionality across all
sr.ht services. It also contains the default templates and stylesheets that give
sr.ht a consistent look and feel.
The core package is listed as a dependency of the official `*.sr.ht` packages,
so installing it explicitly is not necessary if you are using our package
repositories. If you are not using our packages, obtain the [source
code](https://git.sr.ht/~sircmpwn/srht) and install it like a typical Python
package (`./setup.py install --prefix=/usr`). You will need to install its
dependencies beforehand, for an up-to-date list see [the
package](https://git.sr.ht/~sircmpwn/sr.ht-pkgbuilds/tree/python-srht/PKGBUILD).
# Package Installation
Packages are named as you would expect: meta.sr.ht is called `meta.sr.ht`. On
package managers where dots are not permitted in package names, dashes are used.
Underscores are used on systems where dashes are not permitted.
If installing from source, see [the
packages](https://git.sr.ht/~sircmpwn/sr.ht-pkgbuilds) for an up-to-date list of
dependencies and install it like any other Python package: `./setup.py install
--prefix=/usr`. When installing from source, daemon service files are not
provided; you must write one appropriate to your system.
# Site Configuration
Each site will search for its config file in two locations: `./config.ini` and
`/etc/sr.ht/subdomain.ini` (for example, meta.sr.ht looks for
`/etc/sr.ht/meta.ini`). The exact nature of this config file varies depending on
which service you're setting up - from source, see `config.ini.example` and from
packages see `/etc/sr.ht/subdomain.ini.example`.
# Database Configuration
Start by setting your config.ini's connection string to a superuser, then run
the following commands to create the initial schema:
$ python3
>>> from [module].app import db
>>> db.create()
Substitute `[module]` for the specific application's module, such as `metasrht`
or `buildsrht`. When complete, you may update your connection string to use a
less privileged user.
## Schema Upgrades
We use [alembic](http://alembic.zzzcomputing.com/en/latest/) to manage schema
migrations. A sample `alembic.ini` is provided (`alembic.ini.example` from
source and `/etc/sr.ht/alembic/subdomain.ini.example` from packages), which you
should modify to suit your needs - you will probably only need to set the
connection string.
Run `alembic stamp head` once to tell alembic the schema is up-to-date. Future
upgrades will be managed automatically by the package, or if you're using the
source code you can run `alembic upgrade head` when you pull the latest version
down.
# Compile static assets
This step is only necessary for users configuring sr.ht from source. Run `make`
in the root of the repository to compile static assets.
# Start the service
A service file is included in the packages and uses the same name as the
package. On Arch Linux, for example, you can run `systemctl enable --now
meta.sr.ht` to start up meta.sr.ht, or `rc-update add meta.sr.ht && service
meta.sr.ht start` on Alpine. The service will be running at the port specified
in its config file, and you must now prepare to proxy to it.
# Proxy configuration
The exact nginx configuration you use will vary depending on your needs. Here is
an example for meta.sr.ht:
server {
listen 80;
server_name meta.sr.ht;
location / {
return 302 https://$server_name$request_uri;
}
location ^~ /.well-known {
root /var/www;
}
}
server {
listen 443 ssl;
listen [::]:443 ssl;
server_name meta.sr.ht;
client_max_body_size 100M;
ssl_certificate /var/lib/acme/live/meta.sr.ht/fullchain;
ssl_certificate_key /var/lib/acme/live/meta.sr.ht/privkey;
ssl_trusted_certificate /var/lib/acme/live/meta.sr.ht/fullchain;
location / {
proxy_pass http://127.0.0.1:5002;
}
location /static {
root /usr/lib/python3.6/site-packages/metasrht;
}
location ^~ /.well-known {
root /var/www;
}
}
Once the proxy is configured, you should be able to log into your new service.
# Hacking on sr.ht
If you just want to get the codebase running to hack on it, follow these steps:
1. [Prerequisites](#prerequisites)
2. [sr.ht core](#srht-core), however, you can simply clone it somewhere and add
it to your Python path. Also export `SRHT_PATH=/path/to/sr.ht-core` to use
your development repository for generating static assets.
3. [Site configuration](#site-configuration), but you can just put `config.ini`
in the working directory and sr.ht will read it there.
4. [Database configuration](#database-configuration)
5. [Compile static assets](#compile-static-assets)
6. `./run.py` will start the development server.
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