build: build all dependencies as a separate Docker layer to speed up …

…recompilation
fujiapple852 · May 9, 2022 · eb6466b · eb6466b
1 parent 77c5a24
commit eb6466b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -2,6 +2,10 @@ FROM rust:1.60.0 as build-env
 WORKDIR /app
 COPY Cargo.toml /app
 COPY Cargo.lock /app
+RUN mkdir /app/src
+RUN echo "fn main() {}" > /app/src/main.rs
+RUN cargo build --release
+
 COPY src /app/src
 COPY README.md /app
 COPY LICENSE /app