Use latest Rust in Alpine 3.15 image (#74)

Fixes build errors in prisma-engines due to Rust 1.65 being too old.

musl/libssl1.1.x.Dockerfile

@@ -1,18 +1,21 @@
-FROM rust:alpine3.15
+FROM alpine:3.15
 
-ENV RUSTFLAGS="-C target-feature=-crt-static" \
-  PROTOC_INCLUDE="/usr/include" \
-  PROTOC="/usr/bin/protoc"
+ENV PATH=/root/.cargo/bin:$PATH \
+    RUSTFLAGS="-C target-feature=-crt-static" \
+    PROTOC_INCLUDE="/usr/include" \
+    PROTOC="/usr/bin/protoc"
 
 RUN apk update && \
-  apk add perl musl-dev build-base bash clang git protoc protobuf protobuf-dev wget linux-headers
+    apk add perl musl-dev build-base bash curl clang git protoc protobuf protobuf-dev linux-headers
 
-RUN wget -c https://www.openssl.org/source/openssl-1.1.1s.tar.gz
-RUN tar -xzvf openssl-1.1.1s.tar.gz
+RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
 
-RUN cd openssl-1.1.1s && ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared zlib && make -j8
+RUN curl -fLO https://www.openssl.org/source/openssl-1.1.1v.tar.gz
+RUN tar -xzvf openssl-1.1.1v.tar.gz
 
-RUN cd openssl-1.1.1s && make install
+RUN cd openssl-1.1.1v && ./config --prefix=/usr/local/ssl --openssldir=/usr/local/ssl shared zlib && make -j8
+
+RUN cd openssl-1.1.1v && make install_sw install_ssldirs
 RUN cd /etc && echo "/usr/local/ssl/lib:/lib:/usr/lib:/usr/local/lib" > ld-musl-x86_64.path
 
 ENV OPENSSL_DIR /usr/local/ssl