fix: Experimenting with docker in docker for local testing

.devcontainer/Dockerfile

@@ -8,56 +8,89 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     git \
     curl \
     fish \
-    docker.io \
-    sudo \
-    build-essential \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-# Add user to docker group
-RUN usermod -aG docker vscode
-
-# Create directories and set permissions
 RUN mkdir -p /home/vscode/.local/share/CMakeTools \
-    && chown -R vscode:vscode /home/vscode/.local/share/CMakeTools \
-    && mkdir -p /home/vscode/.ssh \
+&& chown -R vscode:vscode /home/vscode/.local/share/CMakeTools
+
+RUN mkdir -p /home/vscode/.ssh \
     && chown vscode:vscode /home/vscode/.ssh \
     && chmod 700 /home/vscode/.ssh
 
-# Install Arduino CLI
-RUN curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | sh \
-    && arduino-cli config init
+# Install arduino-cli
+RUN curl -fsSL https://raw.githubusercontent.com/arduino/arduino-cli/master/install.sh | sh
+
+# Set up arduino-cli config
+RUN arduino-cli config init
 
+# Add arduino-cli to PATH
 ENV PATH="/usr/local/bin:${PATH}"
+
+# Create workspace directory
 WORKDIR /workspace
 
-# Copy Arduino config and update script
+# Copy arduino-cli configuration (customise to your actual path)
 COPY arduino-cli.yaml /root/.arduino15/arduino-cli.yaml
-COPY update-libraries.sh /usr/local/bin/
+
+# Install build essentials
+RUN apt-get update && apt-get install -y build-essential && rm -rf /var/lib/apt/lists/*
+
+RUN arduino-cli core update-index --additional-urls https://arduino.esp8266.com/stable/package_esp8266com_index.json,https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+
+# (Optional) Install Arduino cores for ESP8266 and ESP32 if needed
+RUN arduino-cli core install --additional-urls https://arduino.esp8266.com/stable/package_esp8266com_index.json,https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json esp8266:esp8266 esp32:esp32
+
+# Install only required dependencies for DallasTemperature library and others
+RUN arduino-cli lib install \
+    "OneWire" \
+    "ArduinoUnit"  # For testing
+
+# Verify library installation
+RUN arduino-cli lib list
+
+# Copy update script
+COPY .devcontainer/update-libraries.sh /usr/local/bin/
 RUN chmod +x /usr/local/bin/update-libraries.sh
 
-# Install Arduino cores and libraries
-RUN arduino-cli core install esp8266:esp8266 esp32:esp32 \
-    && arduino-cli lib install "OneWire" "ArduinoUnit" \
-    && arduino-cli lib list
+# Add aliases for build operations (for Bash)
+RUN echo 'alias arduino-build="./build.sh build"' >> /home/vscode/.bashrc && \
+    echo 'alias arduino-test="./build.sh test"' >> /home/vscode/.bashrc && \
+    echo 'alias arduino-build-test="./build.sh all"' >> /home/vscode/.bashrc
+
+# Add a welcome message to .bashrc
+RUN echo '\n# Welcome to the dev container! Here are some useful aliases:' >> /home/vscode/.bashrc && \
+    echo 'echo "  - arduino-build: Build the project"' >> /home/vscode/.bashrc && \
+    echo 'echo "  - arduino-test: Run tests for the project"' >> /home/vscode/.bashrc && \
+    echo 'echo "  - arduino-build-test: Build and test the project"' >> /home/vscode/.bashrc
 
-# Configure shells
-RUN echo 'alias arduino-build="./build.sh build"\nalias arduino-test="./build.sh test"\nalias arduino-build-test="./build.sh all"' >> /home/vscode/.bashrc \
-    && echo '\n# Welcome to the dev container! Here are some useful aliases:\necho "  - arduino-build: Build the project"\necho "  - arduino-test: Run tests for the project"\necho "  - arduino-build-test: Build and test the project"' >> /home/vscode/.bashrc \
-    && mkdir -p /home/vscode/.config/fish \
-    && echo 'set -gx PATH /usr/local/bin $PATH\n# Welcome to the Fish shell inside the dev container!' >> /home/vscode/.config/fish/config.fish
+# Fix fish permissions
+RUN mkdir -p /home/vscode/.config && \
+    chown -R vscode:vscode /home/vscode/.config
 
-# Generate SSH keys
+# (Optional) Add fish-specific configuration if desired
+# For example, you might add an alias file or welcome message for fish:
+RUN mkdir -p /home/vscode/.config/fish && \
+    echo 'set -gx PATH /usr/local/bin $PATH' >> /home/vscode/.config/fish/config.fish && \
+    echo '# Welcome to the Fish shell inside the dev container!' >> /home/vscode/.config/fish/config.fish
+
+# Generate SSH keys and set proper ownership and permissions
 RUN if [ ! -f /home/vscode/.ssh/id_rsa ]; then \
         ssh-keygen -t rsa -b 4096 -N "" -C "devcontainer@local" -f /home/vscode/.ssh/id_rsa && \
         chmod 600 /home/vscode/.ssh/id_rsa && \
         chmod 644 /home/vscode/.ssh/id_rsa.pub && \
         chown vscode:vscode /home/vscode/.ssh/id_rsa /home/vscode/.ssh/id_rsa.pub ; \
     fi
 
-# Docker-in-Docker setup
+# Install Docker
+RUN apt-get update && apt-get install -y docker.io && rm -rf /var/lib/apt/lists/*
+
+# Setup Docker permissions
+RUN usermod -aG docker vscode
+
+# Create and configure entrypoint script
 RUN echo '#!/bin/sh\nchmod 666 /var/run/docker.sock\nexec "$@"' > /usr/local/bin/docker-entrypoint.sh \
     && chmod +x /usr/local/bin/docker-entrypoint.sh
 
 ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
-CMD ["sleep", "infinity"]
+CMD ["sleep", "infinity"]