Configure container build workflow via GHCR

Dockerfile

@@ -0,0 +1,46 @@
+FROM ubuntu:24.04
+
+# Prevent interactive prompts during package installation
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install essential dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    curl \
+    ca-certificates \
+    build-essential \
+    unzip \
+    tar \
+    ripgrep \
+    fd-find \
+    python3 \
+    python3-pip \
+    python3-venv \
+    nodejs \
+    npm \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Neovim (stable/latest precompiled binary)
+RUN curl -LO https://github.com/neovim/neovim/releases/download/stable/nvim-linux-x86_64.tar.gz \
+    && tar -C /opt -xzf nvim-linux-x86_64.tar.gz \
+    && rm nvim-linux-x86_64.tar.gz \
+    && ln -s /opt/nvim-linux-x86_64/bin/nvim /usr/local/bin/nvim
+
+# Create a non-root user and setup home directory
+RUN useradd -m -s /bin/bash nvimuser
+USER nvimuser
+ENV HOME=/home/nvimuser
+WORKDIR /workspace
+
+# Copy the Neovim configuration files
+RUN mkdir -p $HOME/.config/nvim
+COPY --chown=nvimuser:nvimuser . $HOME/.config/nvim
+
+# Pre-install plugins using Lazy.nvim sync
+RUN nvim --headless "+Lazy! sync" +qa
+
+# Run neovim headlessly for a short period to allow tree-sitter-manager and mason to install tools
+RUN nvim --headless -c "sleep 15" -c "qa"
+
+# Set up entrypoint
+ENTRYPOINT ["nvim"]