Use Buildx bake files for better control over the docker images

docker-bake.hcl

@@ -0,0 +1,35 @@
+// Target filled by GitHub Actions, one for the regular tag, one for the debug tag
+target "docker-metadata-action" {}
+target "docker-metadata-action-debug" {}
+
+target "default" {
+  dockerfile = "Dockerfile"
+  context = "./"
+}
+
+target "debug" {
+  inherits = ["default"]
+  target = "debug"
+}
+
+target "release" {
+  inherits = ["default"]
+  platforms = ["linux/amd64", "linux/arm64"]
+}
+
+// This is what is baked by GitHub Actions
+group "gha" { targets = ["gha-regular", "gha-debug"] }
+
+target "gha-base" {
+  inherits = ["release"]
+  cache-from = ["type=gha"]
+  cache-to = ["type=gha,mode=max"]
+}
+
+target "gha-regular" {
+  inherits = ["gha-base", "docker-metadata-action"]
+}
+
+target "gha-debug" {
+  inherits = ["gha-base", "debug", "docker-metadata-action-debug"]
+}