update: docker stuff for file sharing demo

tutorials/file_sharing_app/Dockerfile

@@ -11,8 +11,8 @@ COPY . .
 # Build the Rust crate
 RUN cargo build --release
 
-# Run the first node
-CMD ["cargo", "run", "--release", "--features=first-node"]
+# Run the script to start both nodes
+COPY run_both_nodes.sh .
+RUN chmod +x run_both_nodes.sh 
 
-# Run the second node after the first one completes
-CMD ["cargo", "run", "--release", "--features=second-node"]
+CMD ["./run_both_nodes.sh"]

tutorials/file_sharing_app/README.md

@@ -10,6 +10,8 @@ A 5 second timeout is set to give enough time for the nodes to communicate with
 
 > This example uses `async-std-runtime` specified in the crate's Cargo.toml file to demonsrate SwarmNl's compatibility with using the async-std runtime.
 
+**Note:** The example requires a quorum of 1, which means that that if the second node does not run the first node will not be able to write to the DHT and will panic.
+
 ## Run the example
 
 To run this example, you'll need two terminals.
@@ -94,4 +96,4 @@ Run:
 
 ```bash
 docker run -it file-sharing-demo
-```
+```

tutorials/file_sharing_app/run_both_nodes.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Used for the Docker container to run both nodes
+
+# Run the first command in the background
+cargo run --features=first-node &
+
+# Run the second command in the foreground
+cargo run --features=second-node