Dynamically compile rust modules instead of committing binaries in repo

.gitignore

@@ -18,3 +18,5 @@ yarn-error.log
 
 # Rust compilation dirs
 rust/*/target
+# Compiled rust apps (rust modules are recompiled during container start)
+storage/ffi-libs/*.so

docker/entrypoint.sh

@@ -48,6 +48,9 @@ elif [[ "$role" == "app" ]]; then
         php artisan cache:clear && php artisan config:cache && php artisan route:cache && php artisan view:cache
     fi
 
+    # Compile rust modules
+    ./rust/test_ffi/compile.sh
+
     exec php-fpm
 else
     echo "Could not match the container role \"$role\""

rust/README.md

@@ -8,10 +8,10 @@ take up a lot of memory and the BattleEngine in PHP can e.g. take up gigabytes o
 The rust source code is stored in the `./rust/` folder.
 
 ## Compile rust version
-After making change to any rust modules, you should manually compile them and copy it over to
-the `storage/ffi-libs` folder.
+The Rust modules are automatically compiled during container startup. However, during development
+or testing, you may want to manually compile the modules to test your changes immediately.
 
-To compile rust, go to the rust module directory, e.g.
+To compile rust, go to the rust module directory inside the container, e.g.
 
 ```bash
 # Navigate to the rust package you want to compile
@@ -28,9 +28,6 @@ cp target/release/libtest_ffi.so ../../storage/ffi-libs
 Alternatively, you can also run the `compile.sh` script inside the module's folder which executes the statements above:
 
 ```bash
-# Navigate to the rust package you want to compile
-cd rust/test_ffi
-
-# Execute compile.sh
-./compile.sh
+# Execute compile.sh (from app root)
+./rust/test_ffi/compile.sh
 ```

rust/test_ffi/compile.sh

@@ -1,6 +1,6 @@
 # Compile the rust package
-cargo build --release
+cargo build --manifest-path="rust/test_ffi/Cargo.toml" --release
 
 # Copy the compiled rust package to the ffi-libs storage directory.
 # The .so files are called by Laravel.
-cp target/release/libtest_ffi.so ../../storage/ffi-libs
+cp rust/test_ffi/target/release/libtest_ffi.so storage/ffi-libs

storage/ffi-libs/README.md

@@ -0,0 +1 @@
+Rust modules will be compiled during container startup and will be placed here automatically.