feat: ghost

This commit is contained in:
Anish Lakhwara 2024-05-21 20:39:19 -07:00
parent a37a72e81f
commit 091b653c9a
4 changed files with 186 additions and 0 deletions

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{pkgs, ... }:
{
services.nginx = {
enable = true;
recommendedGzipSettings = true;
recommendedOptimisation = true;
recommendedProxySettings = true;
recommendedTlsSettings = true;
};
# Enables MySQL
services.mysql = {
enable = true;
package = pkgs.mariadb;
};
services."write.sealight.xyz".enable = true;
}

148
modules/nixos/ghost.nix Normal file
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{ options, lib, config, pkgs, ... }:
let
# domain for the Ghost blog
serverName = "write.sealight.xyz";
# port on which the Ghost service runs
port = 1357;
# user used to run the Ghost service
userName = builtins.replaceStrings [ "." ] [ "_" ] serverName;
# MySQL database used by Ghost
dbName = userName;
# MySQL user used by Ghost
dbUser = userName;
# directory used to save the blog content
dataDir = "/var/lib/${userName}";
# Ghost package we created in the section above
ghost = import ./ghost { inherit pkgs; };
# script that sets up the Ghost content directory
setupScript = pkgs.writeScript "${serverName}-setup.sh" ''
#! ${pkgs.stdenv.shell} -e
chmod g+s "${dataDir}"
[[ ! -d "${dataDir}/content" ]] && cp -r "${ghost}/content" "${dataDir}/content"
chown -R "${userName}":"${userName}" "${dataDir}/content"
chmod -R +w "${dataDir}/content"
ln -f -s "/etc/${serverName}.json" "${dataDir}/config.production.json"
[[ -d "${dataDir}/current" ]] && rm "${dataDir}/current"
ln -f -s "${ghost}/current" "${dataDir}/current"
[[ -d "${dataDir}/content/themes/casper" ]] && rm "${dataDir}/content/themes/casper"
ln -f -s "${ghost}/current/content/themes/casper" "${dataDir}/content/themes/casper"
'';
databaseService = "mysql.service";
serviceConfig = config.services."${serverName}";
options = { enable = lib.mkEnableOption "${serverName} service"; };
in {
options.services.${serverName} = options;
config = lib.mkIf serviceConfig.enable {
# Creates the user and group
users.users.${userName} = {
isSystemUser = true;
group = userName;
createHome = true;
home = dataDir;
};
users.groups.${userName} = { };
# Creates the Ghost config
environment.etc."${serverName}.json".text = ''
{
"url": "https://${serverName}",
"server": {
"port": ${port},
"host": "0.0.0.0"
},
"database": {
"client": "mysql",
"connection": {
"host": "localhost",
"user": "${dbUser}",
"database": "${dbName}",
"password": "",
"socketPath": "/run/mysqld/mysqld.sock"
}
},
"mail": {
"transport": "sendmail"
},
"logging": {
"transports": ["stdout"]
},
"paths": {
"contentPath": "${dataDir}/content"
}
}
'';
# Sets up the Systemd service
systemd.services."${serverName}" = {
enable = true;
description = "${serverName} ghost blog";
restartIfChanged = true;
restartTriggers =
[ ghost config.environment.etc."${serverName}.json".source ];
requires = [ databaseService ];
after = [ databaseService ];
path = [ pkgs.nodejs pkgs.vips ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
User = userName;
Group = userName;
WorkingDirectory = dataDir;
# Executes the setup script before start
ExecStartPre = setupScript;
# Runs Ghost with node
ExecStart = "${pkgs.nodejs}/bin/node current/index.js";
# Sandboxes the Systemd service
AmbientCapabilities = [ ];
CapabilityBoundingSet = [ ];
KeyringMode = "private";
LockPersonality = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateMounts = true;
PrivateTmp = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectSystem = "full";
RemoveIPC = true;
RestrictAddressFamilies = [ ];
RestrictNamespaces = true;
RestrictRealtime = true;
};
environment = { NODE_ENV = "production"; };
};
# Sets up the blog virtual host on NGINX
services.nginx.virtualHosts.${serverName} = {
# Sets up Lets Encrypt SSL certificates for the blog
forceSSL = true;
enableACME = true;
locations."/" = { proxyPass = "http://127.0.0.1:${toString port}"; };
extraConfig = ''
charset UTF-8;
add_header Strict-Transport-Security "max-age=2592000; includeSubDomains" always;
add_header Referrer-Policy "strict-origin-when-cross-origin";
add_header X-Frame-Options "SAMEORIGIN";
add_header X-XSS-Protection "1; mode=block";
add_header X-Content-Type-Options nosniff;
'';
};
# Sets up MySQL database and user for Ghost
services.mysql = {
ensureDatabases = [ dbName ];
ensureUsers = [{
name = dbUser;
ensurePermissions = { "${dbName}.*" = "ALL PRIVILEGES"; };
}];
};
};
}

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pkgs/ghost/builder.sh Normal file
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source "$stdenv"/setup
export HOME=$(mktemp -d)
npm install --loglevel=info --logs-max=0 "ghost-cli@$ghostCliVersion"
mkdir --parents "$out"/
node_modules/ghost-cli/bin/ghost install "$version" --db=sqlite3 \
--no-enable --no-prompt --no-stack --no-setup --no-start --dir "$out"

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pkgs/ghost/default.nix Normal file
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{ pkgs }:
let
pname = "ghost";
version = "5.8.0";
in pkgs.stdenv.mkDerivation {
inherit pname version;
buildInputs = with pkgs; [ nodejs yarn vips ];
ghostCliVersion = "1.21.1";
builder = ./builder.sh;
}