Observer pattern & Archipelago

flake.nix

@@ -39,6 +39,8 @@
         echo "Launching NodeCames"
         ${jdk}/bin/java -jar ${nodecames}/nodecames-${version}.jar --spring.datasource.url=$NODECAMES_DATABASE --spring.datasource.password=$NODECAMES_PASSWORD "$@"
       '';
+      postgres = pkgs.postgresql_18;
+      # TODO make his more nix
       postgres-server = pkgs.writeShellScriptBin "postgres-server" ''
             mkdir -p .postgres
             ${pkgs.podman}/bin/podman run -e POSTGRES_USER=nodecames -e POSTGRES_PASSWORD=nodecames-dev -e POSTGRES_DB=nodecames --volume ./.postgres:/var/lib/postgresql -p 127.0.0.1:5432:5432 postgres:18.4 &> .postgres/postgres.log &
@@ -61,6 +63,7 @@
           packages = [
             jdk
             gradle
+            postgres
             (pkgs.vscode-with-extensions.override {
               vscode = pkgs.vscodium;
               vscodeExtensions = with pkgs.vscode-extensions; [