diff --git a/monitoring/prometheus/Dockerfile b/monitoring/prometheus/Dockerfile
deleted file mode 100644
index 8133042..0000000
--- a/monitoring/prometheus/Dockerfile
+++ /dev/null
@@ -1,4 +0,0 @@
-FROM prom/prometheus
-LABEL maintainer="pub.solar <crew@pub.solar>"
-
-COPY src /
diff --git a/monitoring/prometheus/Makefile b/monitoring/prometheus/Makefile
deleted file mode 100644
index b591555..0000000
--- a/monitoring/prometheus/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-IMAGE=registry.greenbaum.cloud/pub_solar/prometheus
-
-build:
-	docker build -t $(IMAGE) .
-
-push:
-	docker push $(IMAGE)
diff --git a/monitoring/prometheus/default.nix b/monitoring/prometheus/default.nix
new file mode 100644
index 0000000..f838e78
--- /dev/null
+++ b/monitoring/prometheus/default.nix
@@ -0,0 +1,11 @@
+{ pkgs ? import <nixpkgs> {} }:
+{
+  prometheus = pkgs.dockerTools.buildImage {
+    name = "registry.greenbaum.cloud/pub_solar/prometheus";
+    tag = "v2.36.0";
+    contents = [ pkgs.prometheus ./src ];
+    config = {
+      Cmd = [ "/bin/prometheus" "--config.file=/etc/prometheus/prometheus.yml" ];
+    };
+  };
+}