Define a docker image based on the nix flake

Author: mrinalwadhwa

.dockerignore

@@ -0,0 +1,3 @@
+.venv
+.direnv
+target

.envrc

@@ -0,0 +1,10 @@
+# This .envrc file is used with direnv to ensure a consistent
+# development environment across our team.
+
+set -eu
+
+if type nix >/dev/null 2>&1; then
+  use flake ./tools/nix
+fi
+
+source tools/shell/profile

.gitignore

@@ -1,3 +1,5 @@
 *.DS_store
-.envrc
 .direnv
+.venv
+target
+*.so

tools/docker/dev/Dockerfile

@@ -0,0 +1,15 @@
+FROM nixos/nix
+
+WORKDIR /autonomy
+COPY tools/nix ./tools/nix
+
+RUN nix-channel --update \
+  && echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf \
+  && nix develop ./tools/nix --command echo "Nix environment built and cached" \
+  && mkdir -p /root/.local/bin \
+  && mkdir -p /root/.cache
+
+COPY . .
+
+ENTRYPOINT ["nix", "develop", "./tools/nix", "--command"]
+CMD ["bash", "-c", "source ./tools/shell/profile && exec bash"]

tools/nix/flake.lock

@@ -15,8 +15,16 @@
       devShells = forEachSupportedSystem ({ pkgs, system }: {
         default = pkgs.mkShell {
           nativeBuildInputs = with pkgs; [
+            git
+            gnumake
             commitlint
             eclint
+            uv
+            python312
+            rustc
+            cargo
+            rustfmt
+            clippy
           ];
         };
       });

tools/nix/flake.nix

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+for tool in commitlint eclint uv; do
+  if ! type "$tool" >/dev/null 2>&1; then
+    echo "Error: $tool is not set up." >&2
+    exit 1
+  fi
+done
+
+if [ ! -d ".venv" ]; then
+  uv venv --python python3.12
+  source .venv/bin/activate
+  pushd source/python
+  uv sync --active
+  popd
+fi
+
+source .venv/bin/activate