docs: update README with Docker instructions, pin Solang image to 0.3.3

Signed-off-by: Tarek <[email protected]>

Makefile.toml

@@ -12,8 +12,13 @@ script = '''
 npm install
 '''
 
+[tasks.deps-docker]
+script = '''
+docker pull ghcr.io/hyperledger/solang:v0.3.3
+'''
+
 [tasks.deps]
-dependencies = ["deps-wasm", "deps-npm"]
+dependencies = ["deps-wasm", "deps-npm", "deps-docker"]
 
 [tasks.build-server]
 script = '''

README.md

@@ -51,12 +51,18 @@ The Dockerfile for Solang Playground relies on Nestybox's Sysbox runtime. This h
 
 Here are the [instructions to install Sysbox](https://github.com/nestybox/sysbox/blob/master/docs/user-guide/install-package.md#installing-sysbox)
 
-### Building the Docker Image
+### Building the Docker Image Locally
 
 ```sh
 docker build -t solang-playground .
 ```
 
+You can then run the image with:
+
+```sh
+cargo make docker-run
+```
+
 The docker image is also available on Docker Hub:
 
 ```sh

crates/backend/src/services/sandbox.rs

@@ -64,8 +64,8 @@ pub fn build_compile_command(input_file: &Path, output_dir: &Path) -> Command {
     mount_output_dir.push(DOCKER_OUTPUT);
     cmd.arg("--volume").arg(&mount_output_dir);
 
-    // Using the latest solang image
-    cmd.arg(format!("{}:latest", DOCKER_IMAGE_BASE_NAME));
+    // Using the solang image version v0.3.3
+    cmd.arg(format!("{}:v0.3.3", DOCKER_IMAGE_BASE_NAME));
 
     // Building the compile command
     let remove_command = format!("rm -rf {}*.wasm {}*.contract", DOCKER_OUTPUT, DOCKER_OUTPUT);

sysbox/on-start.sh

@@ -4,8 +4,8 @@
 dockerd > /var/log/dockerd.log 2>&1 &
 sleep 2
 
-# pull latest solang image
-docker pull ghcr.io/hyperledger/solang:latest
+# pull solang image version v0.3.3
+docker pull ghcr.io/hyperledger/solang:v0.3.3
 
 # start backend server
 ./app/target/release/backend --port 9000 --host 0.0.0.0 --frontend_folder /app/packages/app/dist