diff --git a/.cargo/config.toml b/.cargo/config.toml
index 1158635..80ae2d4 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -1,3 +1,3 @@
-[env]
-CC_x86_64_unknown_linux_musl = "gcc"
-CFLAGS_x86_64_unknown_linux_musl = "-static"
+[target.x86_64-unknown-linux-musl]
+CC = "gcc"
+CFLAGS = ["-static"]
diff --git a/Dockerfile b/Dockerfile
index 2e74619..cbb27f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,7 @@
-# miroir-proxy - scratch base, static musl binary
+# miroir-proxy — scratch base, static musl binary
+# Build:  cargo build --release --target x86_64-unknown-linux-musl -p miroir-proxy
+#         strip -s target/x86_64-unknown-linux-musl/release/miroir-proxy
+# Image:  docker build -t miroir-proxy .
 FROM scratch
 ARG VERSION=0.1.0
 ARG REVISION=unknown
@@ -7,7 +10,7 @@ LABEL org.opencontainers.image.version=${VERSION}
 LABEL org.opencontainers.image.revision=${REVISION}
 LABEL org.opencontainers.image.licenses=MIT
 
-COPY miroir-proxy-linux-amd64 /miroir-proxy
+COPY target/x86_64-unknown-linux-musl/release/miroir-proxy /miroir-proxy
 EXPOSE 7700 9090
 ENTRYPOINT ["/miroir-proxy"]
 CMD ["--config", "/etc/miroir/config.yaml"]