Adds a 'ci/validate-linux' command to use a docker container to run ci/validate in linux env

Author: scottopell

ci/Dockerfile.validate

@@ -0,0 +1,20 @@
+FROM rust:1.85-bookworm
+
+# Install protobuf compiler (required by Cross.toml), shellcheck (for ci/validate), and libfuse (for fuser crate)
+RUN apt-get update && apt-get install -y \
+    protobuf-compiler \
+    shellcheck \
+    libfuse3-dev \
+    pkg-config \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install nextest for testing
+RUN curl -LsSf https://get.nexte.st/latest/linux-musl | tar zxf - -C ${CARGO_HOME:-~/.cargo}/bin
+
+WORKDIR /workspace
+
+# Copy over the source
+COPY . .
+
+# Run validation
+CMD ["bash", "-c", "ci/validate"]

ci/validate-linux

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -o errexit
+set -o nounset
+set -o pipefail
+
+# Build the validation Docker image
+echo "Building Linux validation environment..."
+docker build -f ./ci/Dockerfile.validate -t lading-validate .
+
+# Run validation in the container
+echo "Running validation in Linux container..."
+docker run --rm -v "$(pwd):/workspace" lading-validate
+
+echo "Linux validation passed!"