phase 0 - implement basic web server

MODULE.bazel

@@ -85,5 +85,24 @@ crate.spec(
     version = "4.0",
     features = ["derive"],
 )
+crate.spec(
+    package = "axum",
+    version = "0.7",
+    features = ["json"],
+)
+crate.spec(
+    package = "tower",
+    version = "0.4",
+)
+crate.spec(
+    package = "tower-http",
+    version = "0.5",
+    features = ["cors"],
+)
+crate.spec(
+    package = "hyper",
+    version = "1.0",
+    features = ["full"],
+)
 crate.from_specs()
 use_repo(crate, "crates")

databuild/BUILD.bazel

@@ -39,11 +39,15 @@ rust_library(
         "event_log/stdout.rs",
         "event_log/sqlite.rs",
         "event_log/postgres.rs",
+        "service/mod.rs",
+        "service/handlers.rs",
         ":generate_databuild_rust",
     ],
     edition = "2021",
     visibility = ["//visibility:public"],
     deps = [
+        "@crates//:axum",
+        "@crates//:log",
         "@crates//:prost",
         "@crates//:prost-types",
         "@crates//:rusqlite",
@@ -57,6 +61,28 @@ rust_library(
     ],
 )
 
+# Build Graph Service binary
+rust_binary(
+    name = "build_graph_service",
+    srcs = ["service/main.rs"],
+    edition = "2021",
+    visibility = ["//visibility:public"],
+    deps = [
+        ":databuild",
+        "@crates//:axum",
+        "@crates//:tokio",
+        "@crates//:tower",
+        "@crates//:tower-http",
+        "@crates//:hyper",
+        "@crates//:serde",
+        "@crates//:serde_json",
+        "@crates//:log",
+        "@crates//:simple_logger",
+        "@crates//:clap",
+        "@crates//:uuid",
+    ],
+)
+
 # Legacy filegroup for backwards compatibility
 filegroup(
     name = "proto",