Update dockerfile for pi

Dockerfile

@@ -1,28 +1,38 @@
 FROM python:3.12-slim AS builder
 
+ARG TARGETPLATFORM
+
+RUN echo "I'm building for $TARGETPLATFORM"
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive TZ=Etc/UTC \
     apt-get install -y --no-install-recommends \
-    build-essential \
-    && rm -rf /var/lib/apt/lists/* \
-    && apt-get clean
+    build-essential libffi-dev libssl-dev curl
 
-RUN python -m pip install --upgrade pip
-# NiceGUI 1.4.20 - Make libsass optional 
-# RUN python -m pip install --upgrade libsass
-RUN python -m pip install --upgrade cffi
+# Additional steps for raspberry pi
+RUN if [ "$TARGETPLATFORM" = "linux/arm/v7" ] || [ "$TARGETPLATFORM" = "linux/arm/v6" ]; then \
+    curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable; \
+    export PATH=/root/.cargo/bin:$PATH; \
+    export PKG_CONFIG_PATH=/usr/lib/arm-linux-gnueabihf/pkgconfig; \
+    export OPENSSL_LIB_DIR=/usr/lib/arm-linux-gnueabihf; \
+    export OPENSSL_INCLUDE_DIR=/usr/include/arm-linux-gnueabihf/openssl; \
+fi
 
-FROM python:3.12-slim AS release
-COPY --from=builder /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
+# Build dependencies
+COPY requirements.txt ./
+RUN python -m pip install --upgrade pip cffi && \
+    mkdir /wheels && \ 
+    pip wheel --no-cache-dir -r requirements.txt -w /wheels
 
+FROM python:3.12-slim AS release
+COPY --from=builder /wheels /wheels
 LABEL maintainer="Henry Zhu <[email protected]>"
 
 WORKDIR /app
 COPY requirements.txt ./
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir --no-index --find-links /wheels -r requirements.txt
 
-COPY start.sh .
 COPY beaverhabits ./beaverhabits
 COPY statics ./statics
+COPY start.sh .
 
 CMD ["sh", "start.sh", "prd"]