diff --git a/Containerfile b/Containerfile
index f8ba08d..afb4d75 100644
--- a/Containerfile
+++ b/Containerfile
@@ -20,5 +20,5 @@ WORKDIR foundry-1.2.2/
 RUN cargo build --release
 COPY keeta-locker ./
 
-RUN ./target/release/forge build --contracts blockchain/src/LPLocker.sol --force --use ./usr/bin/solc
+RUN ./target/release/forge build --contracts blockchain/src/LPLocker.sol --force --use /usr/bin/solc
 
diff --git a/README.md b/README.md
index 090f2c1..3c0cc13 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,17 @@
-# Build
+## Deterministic `solc` + `foundry`
+
+## Build
 
 ```sh
-docker build -f Containerfile . --progress=plain
+docker build -f Containerfile . --progress=plain -t eth-tools
 ```
 
-# Load StageX Solidity
+## Load StageX Solidity
 ```sh
 docker load -i stagex-solc-0.8.30.tar
 ```
 
+## Interactive Mode
+```sh
+docker run -it eth-tool /bin/sh
+```