Add systemd unit, Dockerfile, docker-compose, and fail2ban configs for production deployment

deploy/Dockerfile

@@ -0,0 +1,22 @@
+FROM rust:alpine AS builder
+
+RUN apk add --no-cache musl-dev
+
+WORKDIR /usr/src/reverse-proxy
+COPY . .
+
+RUN cargo build --release --target x86_64-unknown-linux-musl
+
+FROM alpine:latest
+
+RUN apk add --no-cache ca-certificates
+
+COPY --from=builder /usr/src/reverse-proxy/target/x86_64-unknown-linux-musl/release/reverse-proxy /usr/local/bin/reverse-proxy
+
+HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
+  CMD wget -q --spider http://127.0.0.1:9900/health || exit 1
+
+EXPOSE 80 443
+
+ENTRYPOINT ["reverse-proxy"]
+CMD ["--config", "/etc/reverse-proxy/config.toml"]