Switch to buildx bake

docker-bake.hcl

@@ -0,0 +1,35 @@
+variable "DEFAULT_TAG" {
+  default = "librenms:local"
+}
+
+// Special target: https://github.com/crazy-max/ghaction-docker-meta#bake-definition
+target "ghaction-docker-meta" {
+  tags = ["${DEFAULT_TAG}"]
+}
+
+// Default target if none specified
+group "default" {
+  targets = ["image-local"]
+}
+
+target "image" {
+  inherits = ["ghaction-docker-meta"]
+}
+
+target "image-local" {
+  inherits = ["image"]
+  output = ["type=docker"]
+}
+
+target "image-all" {
+  inherits = ["image"]
+  platforms = [
+    "linux/amd64",
+    "linux/arm/v6",
+    "linux/arm/v7",
+    "linux/arm64",
+    "linux/386",
+    "linux/ppc64le",
+    "linux/s390x"
+  ]
+}