MAINT: add rust workaround

.docker-base/Dockerfile

@@ -9,6 +9,34 @@ RUN apk add --no-cache py3-pip python3 python3-dev gcc make \
     git bash curl gettext  py3-requests 
 RUN apk add --no-cache libffi-dev openssl-dev libc-dev libxslt libxslt-dev \
     libxml2 libxml2-dev
+
+# install rust (needed for compiling a docker-compose dependency)
+# This is necessary until alpine comes with an up to date RUST
+# copied from https://github.com/rust-lang/docker-rust/blob/bbc7feb12033da3909dced4e88ddbb6964fbc328/1.50.0/alpine3.13/Dockerfile
+
+ENV RUSTUP_HOME=/usr/local/rustup \
+    CARGO_HOME=/usr/local/cargo \
+    PATH=/usr/local/cargo/bin:$PATH \
+    RUST_VERSION=1.50.0
+
+RUN set -eux; \
+    apkArch="$(apk --print-arch)"; \
+    case "$apkArch" in \
+        x86_64) rustArch='x86_64-unknown-linux-musl'; rustupSha256='05c5c05ec76671d73645aac3afbccf2187352fce7e46fc85be859f52a42797f6' ;; \
+        aarch64) rustArch='aarch64-unknown-linux-musl'; rustupSha256='6a8a480d8d9e7f8c6979d7f8b12bc59da13db67970f7b13161ff409f0a771213' ;; \
+        *) echo >&2 "unsupported architecture: $apkArch"; exit 1 ;; \
+    esac; \
+    url="https://static.rust-lang.org/rustup/archive/1.23.1/${rustArch}/rustup-init"; \
+    wget "$url"; \
+    echo "${rustupSha256} *rustup-init" | sha256sum -c -; \
+    chmod +x rustup-init; \
+    ./rustup-init -y --no-modify-path --profile minimal --default-toolchain $RUST_VERSION --default-host ${rustArch}; \
+    rm rustup-init; \
+    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
+    rustup --version; \
+    cargo --version; \
+    rustc --version;
+
 RUN pip3 install docker-compose==1.25
 
 # Script for waiting on LA server