renames folder and adds support for reproducible builds

build/arm32v7-ubuntu-builder.dockerfile

@@ -0,0 +1,82 @@
+ARG CODENAME=bionic
+
+FROM arm32v7/ubuntu:$CODENAME as builder
+
+COPY docker/qemu-arm-static-* /usr/bin/qemu-arm-static
+
+RUN set -x \
+  && apt update \
+  && apt upgrade -y \
+  && apt install --yes --no-install-recommends \
+       build-essential \
+       cmake \
+       ninja-build \
+       pkg-config \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY src /usr/local/src
+
+ARG PARALLELMFLAGS=-j2
+
+ARG GTEST_VERSION=1.8.1
+
+RUN set -x \
+  && mkdir -p /tmp/out \
+  && cd /tmp/out \
+  && cmake "/usr/local/src/googletest-release-$GTEST_VERSION" \
+  && make "$PARALLELMFLAGS" install \
+  && rm -rf /tmp/out
+
+ARG FUSE_VERSION=3.1.1
+
+RUN set -x \
+  && apt update \
+  && apt install --yes --no-install-recommends \
+       libtool \
+       automake \
+       gettext \
+  && cd "/usr/local/src/libfuse-fuse-$FUSE_VERSION" \
+  && ./makeconf.sh \
+  && mkdir -p /tmp/out \
+  && cd /tmp/out \
+  && "/usr/local/src/libfuse-fuse-$FUSE_VERSION/configure" \
+  && make "$PARALLELMFLAGS" install \
+  && rm -rf /tmp/out \
+  && rm -rf /var/lib/apt/lists/*
+
+ARG WEBSOCKETS_VERSION=3.1.0
+
+RUN set -x \
+  && apt update \
+  && apt install --yes --no-install-recommends \
+       openssl \
+       libssl-dev \
+  && mkdir -p /tmp/out \
+  && cd /tmp/out \
+  && cmake "/usr/local/src/libwebsockets-$WEBSOCKETS_VERSION" \
+  && make "$PARALLELMFLAGS" install \
+  && rm -rf /tmp/out \
+  && rm -rf /var/lib/apt/lists/*
+
+ARG JANSSON_VERSION=2.12
+
+RUN set -x \
+  && mkdir -p /tmp/out \
+  && cd /tmp/out \
+  && cmake -DJANSSON_BUILD_DOCS=OFF "/usr/local/src/jansson-$JANSSON_VERSION" \
+  && make "$PARALLELMFLAGS" install \
+  && rm -rf /tmp/out
+
+ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
+
+ARG USERID=1000
+
+ARG WORKSPACE=/workspace
+
+RUN set -x \
+  && useradd -u "$USERID" -ms /bin/bash user \
+  && mkdir -p "$WORKSPACE" \
+  && chown user:user "$WORKSPACE"
+
+WORKDIR "$WORKSPACE"
+