fix: cache docker build steps

Author: laktek

Dockerfile

@@ -1,8 +1,12 @@
+# syntax=docker/dockerfile:1.4
 FROM rust:1.67.0-bullseye as builder
 WORKDIR /usr/src/edge-runtime
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    cargo install cargo-strip
 COPY . .
-RUN cargo clean && \
-    cargo build -vv --release --target-dir /usr/target
+RUN --mount=type=cache,target=/usr/local/cargo/registry --mount=type=cache,target=/usr/target \
+    cargo build --release --target-dir /usr/target && \
+    cargo strip
 
 FROM debian:bullseye-slim
 RUN apt-get update && apt-get install -y libssl-dev && rm -rf /var/lib/apt/lists/*

cli/Cargo.toml

@@ -13,3 +13,6 @@ base = { path = "../base" }
 clap = "4.0.29"
 env_logger = "0.10.0"
 log = { workspace = true }
+
+[profile.release]
+strip="debuginfo"