Fix Dockerfile

Dockerfile

@@ -8,7 +8,7 @@ COPY Cargo.toml /usr/src/
 
 WORKDIR /usr/src
 
-RUN apk add --no-cache rustup build-base && \
+RUN apk add --no-cache rustup build-base openssl-dev openssl-libs-static && \
     rustup-init -qy --profile=minimal --default-toolchain=$RUST_VERSION && \
     source "$HOME/.cargo/env" && \
     mkdir src && echo "fn main() {}" > src/main.rs && \
@@ -17,6 +17,7 @@ RUN apk add --no-cache rustup build-base && \
     rm src/main.rs
 
 COPY src/ /usr/src/src/
+COPY target/ /usr/src/target/
 
 RUN source "$HOME/.cargo/env" && \
     touch src/main.rs && \