Install platform-specific mkcert

nitro-bridge-demo.md

@@ -267,7 +267,7 @@
 
     ```bash
     export GETH_CHAIN_ID="1212"
-    export ASSET_ADDRESS=$(laconic-so deployment --dir nitro-contracts-deployment exec nitro-contracts "jq -r '.\"$GETH_CHAIN_ID\"[0].contracts.Token.address' /app/deployment/nitro-addresses.json")
+    export ASSET_ADDRESS=$(laconic-so deployment --dir nitro-contracts-deployment exec nitro-contracts "jq -r '.\"$GETH_CHAIN_ID\"[0].contracts.TestToken.address' /app/deployment/nitro-addresses.json")
 
     export A_CHAIN_ADDRESS="0xe22AD83A0dE117bA0d03d5E94Eb4E0d80a69C62a"
     export C_CHAIN_ADDRESS="0xf1ac8Dd1f6D6F5c0dA99097c57ebF50CD99Ce293"
@@ -441,7 +441,7 @@
     ```bash
     export BRIDGE_NITRO_ADDRESS=0xBBB676f9cFF8D242e9eaC39D063848807d3D1D94
     export GETH_CHAIN_ID="1212"
-    export ASSET_ADDRESS=$(laconic-so deployment --dir nitro-contracts-deployment exec nitro-contracts "jq -r '.\"$GETH_CHAIN_ID\"[0].contracts.Token.address' /app/deployment/nitro-addresses.json")
+    export ASSET_ADDRESS=$(laconic-so deployment --dir nitro-contracts-deployment exec nitro-contracts "jq -r '.\"$GETH_CHAIN_ID\"[0].contracts.TestToken.address' /app/deployment/nitro-addresses.json")
     ```
 
   - Create ledger channel between A and Bridge with custom token

stack-orchestrator/container-build/cerc-go-nitro/Dockerfile

@@ -4,13 +4,13 @@ RUN apt-get update
 RUN apt-get install -y jq netcat-traditional ca-certificates curl
 RUN rm -rf /var/lib/apt/lists/*
 
-# Copy files into image
-WORKDIR /app
+ARG TARGETPLATFORM
 
 # Install mkcert
-RUN curl -JLO "https://dl.filippo.io/mkcert/latest?for=linux/amd64"
-RUN chmod +x mkcert-v*-linux-amd64
-RUN cp mkcert-v*-linux-amd64 /usr/local/bin/mkcert
+RUN curl -JL "https://dl.filippo.io/mkcert/latest?for=$TARGETPLATFORM" -o /usr/local/bin/mkcert && \
+    chmod +x /usr/local/bin/mkcert
+
+WORKDIR /app
 
 # Download binaries
 RUN curl -LO https://git.vdb.to/cerc-io/nitro/releases/download/v0.1.7/nitro