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Merged
tweag-ev-ak merged 2 commits into from
Apr 9, 2026
Merged

Update dependency rules_oci to v2.3.0 #693

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56202bf
Update dependency rules_oci to v2.3.0
renovate[bot] Mar 24, 2026
fd74421
Update python to 3.10 in examples/python-container
tweag-ev-ak Apr 9, 2026
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2 changes: 1 addition & 1 deletion examples/python-container/BUILD
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ platform(
py3_image(
name = "hello_image",
srcs = [ "hello.py" ],
base = "@python39_base_image//image",
base = "@python310_base_image//image",
main = "hello.py",

# Currently needs to be built on Linux.
Expand Down
28 changes: 14 additions & 14 deletions examples/python-container/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ app.run(host='0.0.0.0', port=5000)

Run it in a nix-shell:
```
nix-shell --pure -p 'python39.withPackages (p: [ p.flask ])' --command 'python3 hello.py'
nix-shell --pure -p 'python310.withPackages (p: [ p.flask ])' --command 'python3 hello.py'
```

Expect something like this as output:
Expand Down Expand Up @@ -109,7 +109,7 @@ nixpkgs_git_repository(
# Configure python
load("@io_tweag_rules_nixpkgs//nixpkgs:nixpkgs.bzl", "nixpkgs_python_configure")
nixpkgs_python_configure(
python3_attribute_path = "python39.withPackages(ps: [ ps.flask ])",
python3_attribute_path = "python310.withPackages(ps: [ ps.flask ])",
repository = "@nixpkgs",
)

Expand Down Expand Up @@ -179,7 +179,7 @@ INFO: Build completed successfully, 4 total actions
### Create Docker image with Nix

We are generating an image with python3 including the flask module.
Create a file with the name `python39_base_image.nix` and the following content:
Create a file with the name `python310_base_image.nix` and the following content:
```
with import <nixpkgs> {};

Expand All @@ -193,15 +193,15 @@ let
'';

pythonBase = dockerTools.buildLayeredImage {
name = "python39-base-image-unwrapped";
name = "python310-base-image-unwrapped";
created = "now";
maxLayers = 2;
contents = [
bashInteractive
coreutils

# Specify your Python version and packages here:
(python39.withPackages( p: [p.flask] ))
(python310.withPackages( p: [p.flask] ))

stdenv.cc.cc.lib
iana-etc
Expand All @@ -223,15 +223,15 @@ EOF
};
# rules_nixpkgs require the nix output to be a directory,
# so we create one in which we put the image we've just created
in runCommand "python39-base-image" { } ''
in runCommand "python310-base-image" { } ''
mkdir -p $out
gunzip -c ${pythonBase} > $out/image
''
```

Independent of Bazel we can now build a Docker container with nix:
```
nix-build python39_base_image.nix
nix-build python310_base_image.nix
```

If everything went well, the last line of the `nix-build` output should give you the location of the image
Expand All @@ -246,12 +246,12 @@ docker load -i /nix/store/gnd2dl80mwrbnzk77h43fl07cb694vcx-python38-base-image/i

The `docker load` command gives us the name of the image as output:
```
Loaded image: python39-base-image-unwrapped:ypv5lns0sbbf0jgkkjsyxgxxlphnaaaa
Loaded image: python310-base-image-unwrapped:ypv5lns0sbbf0jgkkjsyxgxxlphnaaaa
```

Let's run `hello.py` in it:
```
docker run -v $PWD/hello.py:/hello.py:ro --rm -it python39-base-image-unwrapped:ypv5lns0sbbf0jgkkjsyxgxxlphnaaaa python /hello.py
docker run -v $PWD/hello.py:/hello.py:ro --rm -it python310-base-image-unwrapped:ypv5lns0sbbf0jgkkjsyxgxxlphnaaaa python /hello.py
```
Which should show us the familiar
```
Expand Down Expand Up @@ -294,20 +294,20 @@ py3_image_repos()
Let's append the follwowing to the `WORKSPACE` file in order to have Bazel build our Docker image with Nix:
```
nixpkgs_package(
name = "raw_python39_base_image",
name = "raw_python310_base_image",
build_file_content = """
package(default_visibility = [ "//visibility:public" ])
exports_files(["image"])
""",
nix_file = "//:python39_base_image.nix",
nix_file = "//:python310_base_image.nix",
repository = "@nixpkgs//:default.nix",
)

load("@io_bazel_rules_docker//container:container.bzl", "container_load" )
container_load(name = "python39_base_image", file = "@raw_python39_base_image//:image")
container_load(name = "python310_base_image", file = "@raw_python310_base_image//:image")
```

Now in our `BUILD` append the following to tell Bazel to create another Docker image, based on the `python39_base_image`:
Now in our `BUILD` append the following to tell Bazel to create another Docker image, based on the `python310_base_image`:
```
load("@io_bazel_rules_docker//python3:image.bzl", "py3_image")

Expand All @@ -316,7 +316,7 @@ package(default_visibility = ["//visibility:public"])
py3_image(
name = "hello_image",
srcs = [ "hello.py" ],
base = "@python39_base_image//image",
base = "@python310_base_image//image",
main = "hello.py",

# Currently needs to be built on Linux.
Expand Down
8 changes: 4 additions & 4 deletions examples/python-container/WORKSPACE
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ nixpkgs_cc_configure(
# Configure python
load("@io_tweag_rules_nixpkgs//nixpkgs:nixpkgs.bzl", "nixpkgs_python_configure")
nixpkgs_python_configure(
python3_attribute_path = "python39.withPackages(ps: [ ps.flask ])",
python3_attribute_path = "python310.withPackages(ps: [ ps.flask ])",
repository = "@nixpkgs",
)

Expand All @@ -67,17 +67,17 @@ py3_image_repos()

load("@io_tweag_rules_nixpkgs//nixpkgs:nixpkgs.bzl", "nixpkgs_package")
nixpkgs_package(
name = "raw_python39_base_image",
name = "raw_python310_base_image",
build_file_content = """
package(default_visibility = [ "//visibility:public" ])
exports_files(["image"])
""",
nix_file = "//:python39_base_image.nix",
nix_file = "//:python310_base_image.nix",
repository = "@nixpkgs//:default.nix",
)

load("@io_bazel_rules_docker//container:container.bzl", "container_load" )
container_load(name = "python39_base_image", file = "@raw_python39_base_image//:image")
container_load(name = "python310_base_image", file = "@raw_python310_base_image//:image")

register_execution_platforms(
"@io_tweag_rules_nixpkgs//nixpkgs/platforms:host",
Expand Down
6 changes: 3 additions & 3 deletions .../python-container/python39_base_image.nix → ...python-container/python310_base_image.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -10,15 +10,15 @@ let
'';

pythonBase = dockerTools.buildLayeredImage {
name = "python39-base-image-unwrapped";
name = "python310-base-image-unwrapped";
created = "now";
maxLayers = 2;
contents = [
bashInteractive
coreutils

# Specify your Python version and packages here:
(python39.withPackages( p: [p.flask] ))
(python310.withPackages( p: [p.flask] ))

stdenv.cc.cc.lib
iana-etc
Expand All @@ -40,7 +40,7 @@ EOF
};
# rules_nixpkgs require the nix output to be a directory,
# so we create one in which we put the image we've just created
in runCommand "python39-base-image" { } ''
in runCommand "python310-base-image" { } ''
mkdir -p $out
gunzip -c ${pythonBase} > $out/image
''
Expand Down
2 changes: 1 addition & 1 deletion examples/toolchains/cc_cross_osx_to_linux_amd64/MODULE.bazel
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ local_path_override(

bazel_dep(name = "platforms", version = "1.0.0")
bazel_dep(name = "rules_cc", version = "0.1.4")
bazel_dep(name = "rules_oci", version = "2.2.5")
bazel_dep(name = "rules_oci", version = "2.3.0")
bazel_dep(name = "rules_pkg", version = "1.0.1")
bazel_dep(name = "aspect_bazel_lib", version = "2.21.2")

Expand Down
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