Add prowlarr

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

packages/docker/prowlarr/default.nix

@@ -0,0 +1,43 @@
+{ pkgs, ... }:
+let
+  entrypoint = pkgs.writeTextFile {
+    name = "entrypoint";
+    executable = true;
+    destination = "/bin/entrypoint";
+    text = builtins.readFile ./entrypoint.sh;
+  };
+in
+pkgs.dockerTools.buildImage {
+  name = "prowlarr";
+  fromImage = import ../base { inherit pkgs; };
+
+  copyToRoot = pkgs.buildEnv {
+    name = "root";
+    paths = with pkgs; [
+      entrypoint
+      prowlarr
+      xmlstarlet
+      curl
+      jq
+    ];
+    pathsToLink = [
+      "/bin"
+      "/lib"
+    ];
+  };
+
+  runAsRoot = ''
+    ${pkgs.dockerTools.shadowSetup}
+  '';
+
+  config = {
+    Entrypoint = [ "entrypoint" ];
+    ExposedPorts = {
+      "9696/tcp" = { };
+    };
+    WorkingDir = "/var/lib/prowlarr";
+    Volumes = {
+      "/var/lib/prowlarr" = { };
+    };
+  };
+}

packages/docker/prowlarr/entrypoint.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env sh
+
+set -o errexit
+set -o nounset
+
+if [ ! -f /var/lib/prowlarr/init ]; then
+  echo '<Config/>' > /var/lib/prowlarr/config.xml
+
+  xmlstarlet ed -L \
+    -s /Config -t elem -n LaunchBrowser -v "False" \
+    -s /Config -t elem -n ApiKey -v "$PROWLARR_API_KEY" \
+    -s /Config -t elem -n AuthenticationMethod -v "External" \
+    -s /Config -t elem -n AuthenticationRequired -v "DisabledForLocalAddresses" \
+    -s /Config -t elem -n LogLevel -v "info" \
+    -s /Config -t elem -n UrlBase -v "${PROWLARR_URL_BASE:-}" \
+    -s /Config -t elem -n InstanceName -v "${PROWLARR_INSTANCE_NAME:-prowlarr}" \
+    -s /Config -t elem -n AnalyticsEnabled -v "False" \
+    /var/lib/prowlarr/config.xml
+fi
+
+Prowlarr -data=/var/lib/prowlarr -nobrowser "$@" &
+PID=$!
+
+PROWLARR_HOST="http://localhost:9696${PROWLARR_URL_BASE}"
+
+if [ ! -f /var/lib/prowlarr/init ]; then
+  curl -sf --retry 10 --retry-connrefused \
+    -H "X-Api-Key: $PROWLARR_API_KEY" \
+    "$PROWLARR_HOST/api/v1/health"
+
+  if [ -f /etc/prowlarr/setup.sh ]; then
+    # shellcheck disable=SC1091
+    . /etc/prowlarr/setup.sh
+  fi
+
+  touch /var/lib/prowlarr/init
+fi
+
+if [ -f /etc/prowlarr/post-start.sh ]; then
+  # shellcheck disable=SC1091
+  . /etc/prowlarr/post-start.sh
+fi
+
+trap 'kill -INT "$PID"' INT TERM
+wait "$PID"
+exit $?