Statically link libs for general Linux (#93)

Author: suhaibmalik

Dockerfile

@@ -1,12 +1,12 @@
-FROM rust:latest as builder
-WORKDIR /app
+FROM clux/muslrust:stable AS builder
+WORKDIR /usr/src/
 COPY . .
-RUN cargo build --release
+RUN cargo build --release --target x86_64-unknown-linux-musl
 
 FROM debian:buster-slim
 WORKDIR /app
 RUN apt update && \
     apt-get install pkg-config libssl-dev -y
-COPY --from=builder /app/target/release/turn-server /usr/local/bin/turn-server
-COPY --from=builder /app/turn-server.toml /etc/turn-server/config.toml
+COPY --from=builder /usr/src/target/x86_64-unknown-linux-musl/release/turn-server /usr/local/bin/turn-server
+COPY --from=builder /usr/src/turn-server.toml /etc/turn-server/config.toml
 CMD turn-server --config=/etc/turn-server/config.toml