offline sqlx

Dockerfile

@@ -1,6 +1,15 @@
 FROM ekidd/rust-musl-builder AS build
 
-ADD . ./
+COPY Cargo.toml Cargo.lock ./
+
+# Build with a dummy main to pre-build dependencies
+RUN mkdir src && \
+ echo "fn main(){}" > src/main.rs && \
+ cargo build --release && \
+ rm -r src
+
+COPY src/ ./src/
+COPY sqlx-data.json ./
 RUN sudo chown -R rust:rust .
 
 RUN cargo build --release