dockerize mev network

.gitignore

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+**/.idea
+**/.vscode

Dockerfile

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-# --- Build Stage ---
 FROM golang:1.21.1 AS builder
 
-# Set the current working directory inside the container
 WORKDIR /app
-
-# Copy go mod and sum files
-COPY go.mod go.sum ./
-
-# Download all dependencies
-RUN go mod download
-
-# Copy the entire directory to the container
 COPY . .
 
-# Build the application
 RUN CGO_ENABLED=0 GOOS=linux go build -o mev-commit ./cmd/main.go
 
-# --- Production Stage ---
 FROM alpine:latest
 
-# Copy the binary from the builder stage
-COPY --from=builder /app/mev-commit /mev-commit
+RUN apk --no-cache add curl
+RUN apk add --no-cache jq
+
+COPY --from=builder /app/mev-commit /app/mev-commit
+COPY --from=builder /app/config /config
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
 
 EXPOSE 13522 13523
 
-CMD ["/mev-commit"]
+ENTRYPOINT ["/entrypoint.sh"]
 

config/bootnode.yml

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+priv_key_file: /keys/bootnode
+peer_type: bootnode
+p2p_port: 13522
+http_port: 13523
+secret: hello
+log_fmt: text
+log_level: debug

config/builder.yml

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+priv_key_file: /keys/builder
+peer_type: builder
+p2p_port: 13522
+http_port: 13523
+secret: hello
+log_fmt: text
+log_level: debug
+bootnodes:
+  - /ip4/<localhost>/tcp/13522/p2p/<p2p_ID>

config/searcher.yml

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+priv_key_file: /keys/searcher
+peer_type: searcher
+p2p_port: 13522
+http_port: 13523
+secret: hello
+log_fmt: text
+log_level: debug
+bootnodes:
+  - /ip4/<localhost>/tcp/13522/p2p/<p2p_ID>

docker-compose.yml

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+version: '3'
+
+services:
+  bootnode:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    environment:
+      - NODE_TYPE=bootnode
+    volumes:
+      - bootnode-keys:/keys
+    networks:
+      mev-net:
+        ipv4_address: 172.28.0.2
+
+  builder:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    depends_on:
+      - bootnode
+    environment:
+      - NODE_TYPE=builder
+    volumes:
+      - builder-keys:/keys
+    networks:
+      - mev-net
+
+  searcher:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    depends_on:
+      - bootnode
+    environment:
+      - NODE_TYPE=searcher
+    volumes:
+      - searcher-keys:/keys
+    networks:
+      - mev-net
+
+volumes:
+  bootnode-keys:
+  builder-keys:
+  searcher-keys:
+
+networks:
+  mev-net:
+    ipam:
+      driver: default
+      config:
+        - subnet: 172.28.0.0/16

entrypoint.sh

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+#!/bin/sh
+
+echo "Node Type: $NODE_TYPE"
+
+# Define paths
+KEY_PATH="/keys"
+CONFIG_PATH="/config"
+
+# Generate the private key based on node type
+if [ "$NODE_TYPE" = "bootnode" ]; then
+    /app/mev-commit create-key ${KEY_PATH}/bootnode
+    PRIV_KEY_FILE="${KEY_PATH}/bootnode"
+    CONFIG_FILE="${CONFIG_PATH}/bootnode.yml"
+elif [ "$NODE_TYPE" = "builder" ]; then
+    /app/mev-commit create-key ${KEY_PATH}/builder
+    PRIV_KEY_FILE="${KEY_PATH}/builder"
+    CONFIG_FILE="${CONFIG_PATH}/builder.yml"
+else
+    /app/mev-commit create-key ${KEY_PATH}/searcher
+    PRIV_KEY_FILE="${KEY_PATH}/searcher"
+    CONFIG_FILE="${CONFIG_PATH}/searcher.yml"
+fi
+
+# Update the private key path in the configuration
+sed -i "s|priv_key_file:.*|priv_key_file: ${PRIV_KEY_FILE}|" ${CONFIG_FILE}
+
+# If this is not the bootnode, update the bootnodes entry with P2P ID
+if [ "$NODE_TYPE" != "bootnode" ]; then
+    # Wait for a few seconds to ensure the bootnode is up and its API is accessible
+    sleep 10
+
+    BOOTNODE_RESPONSE=$(curl -s bootnode:13523/topology)
+    BOOTNODE_P2P_ID=$(echo "$BOOTNODE_RESPONSE" | jq -r '.self.Underlay')
+    BOOTNODE_IP=$(getent hosts bootnode | awk '{ print $1 }')
+
+    echo "Response from bootnode:"
+    echo "$BOOTNODE_RESPONSE"
+
+    if [ -n "$BOOTNODE_P2P_ID" ]; then
+        sed -i "s|<p2p_ID>|${BOOTNODE_P2P_ID}|" ${CONFIG_FILE}
+	sed -i "s|<localhost>|${BOOTNODE_IP}|" ${CONFIG_FILE}
+    else
+        echo "Failed to fetch P2P ID from bootnode. Exiting."
+        exit 1
+    fi
+fi
+
+echo "starting mev-commit with config file: ${CONFIG_FILE}"
+/app/mev-commit start --config ${CONFIG_FILE}
+