Update dependency bazel to v7

.bazelrc

@@ -1,5 +1,17 @@
 # See e.g. https://blog.aspect.dev/bazelrc-flags
 
+# https://github.com/bazelbuild/rules_foreign_cc/issues/1129
+# Mandatory at the moment for Bazel 7.0.0.
+build --noincompatible_sandbox_hermetic_tmp
+
+# This is mandatory if your build env doesn't have a proper Python 3 exe
+# -- like the CI build image for this repo.
+# The build image is using a fake python exe, see
+# https://github.com/mvukov/bazel_builder/blob/main/Dockerfile.
+# If blzmod is enabled, but not used as in this repo at the moment),
+# then bazel for some reason tries to auto-detect a Python exe.
+build --noenable_bzlmod
+
 # Fix the wrong default to generate __init__.py to delimit a Python package.
 # This is a mandatory flag.
 build --incompatible_default_to_explicit_init_py

.bazelversion

@@ -1 +1 @@
-6.4.0
+7.0.0

.github/workflows/ci.bazelrc

@@ -17,7 +17,7 @@ build:remote --experimental_remote_cache_compression
 # buildbuddy suggestions:
 build:remote --experimental_profile_include_primary_output
 build:remote --experimental_profile_include_target_label
-build:remote --experimental_remote_build_event_upload=minimal
+build:remote --remote_build_event_upload=minimal
 build:remote --noslim_profile
 
 # Don't spam CI logs.

examples/README.md

@@ -13,7 +13,4 @@ Before you build/run/test any of the targets in this folder, please make sure
 your terminal is in this folder, or in a subfolder, and not in the root
 of the repo.
 
-If you want to run ROS 2 deployments in Docker containers, please install
-[Docker](https://docs.docker.com/engine/install/ubuntu/).
-
 You can start with a simple [chatter](chatter) example.

examples/WORKSPACE

@@ -50,41 +50,3 @@ load(
 )
 
 install_rules_ros2_pip_deps()
-
-# Below are listed only deps needed by examples: if you just need ROS 2 you don't
-# need to import/load anything below.
-
-load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
-
-# rules_docker is not strictly necessary, but interesting if you want to create
-# and/or push docker containers for the examples. The docker executable is
-# needed only if you want to run an image using Bazel.
-http_archive(
-    name = "io_bazel_rules_docker",
-    sha256 = "b1e80761a8a8243d03ebca8845e9cc1ba6c82ce7c5179ce2b295cd36f7e394bf",
-    urls = ["https://github.com/bazelbuild/rules_docker/releases/download/v0.25.0/rules_docker-v0.25.0.tar.gz"],
-)
-
-load(
-    "@io_bazel_rules_docker//repositories:repositories.bzl",
-    container_repositories = "repositories",
-)
-
-container_repositories()
-
-load("@io_bazel_rules_docker//repositories:deps.bzl", container_deps = "deps")
-
-container_deps()
-
-load(
-    "@io_bazel_rules_docker//container:container.bzl",
-    "container_pull",
-)
-
-# The base docker image is defined in https://github.com/mvukov/bazel_deploy_base repo.
-container_pull(
-    name = "ros_deploy_base",
-    digest = "sha256:322c3900f36c4078f4a7831026bd1782c859d27f0a8fc909c9928e59bdd764bb",
-    registry = "docker.io",
-    repository = "mvukov/bazel-deploy-base",
-)

examples/chatter/BUILD.bazel

@@ -3,8 +3,6 @@ load("@com_github_mvukov_rules_ros2//ros2:cc_defs.bzl", "ros2_cpp_binary")
 load("@com_github_mvukov_rules_ros2//ros2:launch.bzl", "ros2_launch")
 load("@com_github_mvukov_rules_ros2//ros2:test.bzl", "ros2_test")
 load("@com_github_mvukov_rules_ros2//ros2:topic.bzl", "ros2_topic")
-load("@io_bazel_rules_docker//container:container.bzl", "container_push")
-load("@io_bazel_rules_docker//lang:image.bzl", container_image = "app_layer")
 load("@rules_python//python:defs.bzl", "py_binary")
 
 ros2_cpp_binary(
@@ -70,19 +68,3 @@ ros2_bag(
         "@ros2_rosbag2//:rosbag2_interfaces",
     ],
 )
-
-container_image(
-    name = "chatter_image",
-    base = "@ros_deploy_base//image",
-    binary = ":chatter",
-    docker_run_flags = "-it --rm --network=host",
-)
-
-container_push(
-    name = "chatter_publish",
-    format = "Docker",
-    image = ":chatter_image",
-    registry = "docker.io",
-    repository = "mvukov/chatter",
-    tag = "demo_ros2",
-)

examples/chatter/README.md

@@ -37,12 +37,6 @@ You can run tests with
 bazel test //chatter:tests  # To see the logs run with `--test_output=all`.
 ```
 
-To run the sample deployment in a Docker container, run
-
-```sh
-bazel run //chatter:chatter_image
-```
-
 Alternatively, you can run nodes without the launch mechanism. In a terminal run
 
 ```sh