treewide: fix postgres service dependencies

Some were missing a `requires` even though they had `after`, and
woodpecker was missing it entirely.

modules/services/drone/server/default.nix

@@ -7,6 +7,7 @@ in
     systemd.services.drone-server = {
       wantedBy = [ "multi-user.target" ];
       after = [ "postgresql.service" ];
+      requires = [ "postgresql.service" ];
       serviceConfig = {
         EnvironmentFile = [
           cfg.secretFile

modules/services/tandoor-recipes/default.nix

@@ -50,6 +50,7 @@ in
     systemd.services = {
       tandoor-recipes = {
         after = [ "postgresql.service" ];
+        requires = [ "postgresql.service" ];
 
         serviceConfig = {
           EnvironmentFile = cfg.secretKeyFile;

modules/services/woodpecker/server/default.nix

@@ -24,6 +24,9 @@ in
     };
 
     systemd.services.woodpecker-server = {
+      after = [ "postgresql.service" ];
+      requires = [ "postgresql.service" ];
+
       serviceConfig = {
         # Set username for DB access
         User = "woodpecker";