chore: added docker for eth shuttle

eth/.dockerignore

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+node_modules
+docker
+.vscode

eth/Dockerfile

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+FROM node:21 AS build-stage
+
+WORKDIR /app
+
+COPY package.json package.json
+COPY package-lock.json package-lock.json
+
+RUN npm ci
+
+FROM node:21-alpine
+
+WORKDIR /app
+
+COPY --from=build-stage /app ./
+COPY . /app
+
+CMD ["npm", "start"]

eth/create-db.sh

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+aws dynamodb create-table \
+   --table-name ShuttleTx \
+   --attribute-definitions AttributeName=ShuttleID,AttributeType=S AttributeName=FromTxHash,AttributeType=S \
+   --key-schema AttributeName=ShuttleID,KeyType=HASH AttributeName=FromTxHash,KeyType=RANGE \
+   --provisioned-throughput ReadCapacityUnits=5,WriteCapacityUnits=5

eth/docker-compose.yml

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+version: '3.8'
+services:
+ dynamodb-local:
+   command: "-jar DynamoDBLocal.jar -sharedDb -dbPath ./data"
+   image: "amazon/dynamodb-local:latest"
+   container_name: dynamodb-local
+   ports:
+     - "8000:8000"
+   volumes:
+     - "./docker/dynamodb:/home/dynamodblocal/data"
+   working_dir: /home/dynamodblocal
+ app-node:
+   build: .
+   depends_on:
+     - dynamodb-local
+   container_name: shuttle-eth
+   environment:
+     DYNAMO_ACCESS_KEY_ID: 'DUMMYIDEXAMPLE'
+     DYNAMO_SECRET_ACCESS_KEY: 'DUMMYEXAMPLEKEY'
+     DYNAMO_ENDPOINT: 'http://dynamodb-local:8000'
+     REDIS_URL: 'redis://redis:6379'
+ redis:
+   image: "redis"
+   container_name: redis
+   ports:
+     - 6379:6379