docker again

Author: aayush-tripathi

exec.Dockerfile

@@ -1,18 +1,28 @@
-# Build Stage
+
 FROM rust:1.79 AS build
 WORKDIR /app
 
-RUN mkdir src && echo "fn main() {}" > src/main.rs
 COPY Cargo.toml Cargo.lock ./
 COPY tundra/Cargo.toml ./tundra/
 COPY executor/Cargo.toml ./executor/
 COPY tundra-cli/Cargo.toml ./tundra-cli/
+
+RUN mkdir -p tundra/src executor/src tundra-cli/src && \
+    echo "fn main() {}" > tundra/src/main.rs && \
+    echo "fn main() {}" > executor/src/main.rs && \
+    echo "fn main() {}" > tundra-cli/src/main.rs
+
 RUN cargo fetch
+
 COPY . .
+
 RUN cargo build --release -p executor
 
 FROM debian:bookworm-slim
 WORKDIR /app
+
 COPY --from=build /app/target/release/executor /usr/local/bin/executor
+
 EXPOSE 8080
+
 CMD ["executor"]