modify base image for armv6

.github/workflows/armv6.yaml

@@ -24,6 +24,6 @@ jobs:
     - name: Available platforms
       run: echo ${{ steps.buildx.outputs.platforms }}
     - name: Run Buildx
-      run: docker buildx build --platform linux/arm/v6 -t kerberos/base:armv6-$(echo $GITHUB_SHA | cut -c1-7) --push . 
+      run: docker buildx build --platform linux/arm/v6 -t kerberos/base:armv6-$(echo $GITHUB_SHA | cut -c1-7) -f Dockerfile-armv6 --push . 
     - name: Append manifest
       run: docker buildx imagetools create --append -t kerberos/base:$(echo $GITHUB_SHA | cut -c1-7) kerberos/base:armv6-$(echo $GITHUB_SHA | cut -c1-7)

Dockerfile-armv6

@@ -0,0 +1,34 @@
+FROM balenalib/raspberry-pi-golang AS builder
+
+LABEL Author=Kerberos.io
+
+RUN apt-get update && apt-get upgrade -y && apt-get install -y wget build-essential \
+    cmake libc-ares-dev uuid-dev daemon libwebsockets-dev git \
+    cmake wget dh-autoreconf autotools-dev autoconf automake gcc \
+    build-essential libtool make ca-certificates nasm tar unzip wget pkg-config
+
+#############################
+# Static build x264
+
+RUN git clone https://code.videolan.org/videolan/x264.git && \
+    cd x264 && git checkout 0a84d986 && \
+    ./configure --prefix=/usr/local --enable-static --enable-pic && \
+    make -j8 && \
+    make install && \
+    cd .. && rm -rf x264
+
+#################################
+# Clone and build FFMpeg & OpenCV
+
+RUN git clone https://github.com/FFmpeg/FFmpeg && \
+    cd FFmpeg && git checkout n5.0.1 && \
+    ./configure --prefix=/usr/local --target-os=linux --enable-nonfree \
+    --extra-ldflags="-latomic" \
+    --enable-avfilter \
+    --disable-zlib \
+    --enable-gpl \ 
+    --extra-libs=-latomic  \
+    --enable-static --disable-shared  && \
+    make -j8 && \
+    make install && \
+    cd .. && rm -rf FFmpeg