Initial commit: build env for the Ubtouch OS

Change-Id: I4bf8c32811d2785bd86a532f4cb435794f5c14d2

docker-compose.yml

@@ -0,0 +1,29 @@
+services:
+  repo-build-ubtouch:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: registry.os-source.co/os-build/ubtouch-os:0.9
+    container_name: repo_build_ubtouch
+    command: "docker-build"
+    restart: "no"
+    env_file:
+      - .env
+
+    volumes:
+      - ./:/workspace
+      - ccache_data:/workspace/.ccache
+    working_dir: /workspace/brax3
+    tty: true
+    stdin_open: true
+    init: true
+    networks:
+      - build_network
+
+volumes:
+  ccache_data:
+    driver: local
+    name: ubtouchos_ccache
+
+networks:
+  build_network: