begin docker stuff

Dockerfile

@@ -0,0 +1,34 @@
+FROM golang:1.13-alpine as builder
+
+RUN apk --update --no-cache add make git g++ linux-headers
+# DEBUG
+RUN apk add busybox-extras
+
+# Get and build ipfs-blockchain-watcher
+ADD . /go/src/github.com/vulcanize/eth-statediff-service
+WORKDIR /go/src/github.com/vulcanize/eth-statediff-service
+RUN GO111MODULE=on GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o eth-statediff-service .
+
+# app container
+FROM alpine
+
+ARG USER
+ARG CONFIG_FILE
+ARG EXPOSE_PORT
+RUN adduser -Du 5000 $USER
+WORKDIR /app
+RUN chown $USER /app
+USER $USER
+
+# chown first so dir is writable
+# note: using $USER is merged, but not in the stable release yet
+COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/eth-statediff-service/$CONFIG_FILE config.toml
+COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/eth-statediff-service/startup_script.sh .
+COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/eth-statediff-service/environments environments
+
+# keep binaries immutable
+COPY --from=builder /go/src/github.com/vulcanize/eth-statediff-service/eth-statediff-service eth-statediff-service
+
+EXPOSE $EXPOSE_PORT
+
+ENTRYPOINT ["/app/startup_script.sh"]

docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3.2'
+
+services:
+  eth-statediff-service:
+    build:
+      context: ./
+      cache_from:
+      - alpine:latest
+      - golang:1.13
+      dockerfile: ./Dockerfile
+      args:
+        USER: "vdbm"
+        CONFIG_FILE: ./environments/example.toml
+        EXPOSE_PORT: 8545
+    environment:
+    - VDB_COMMAND=serve
+    volumes:
+    - eth-statediff-service-data:/root/.ethereum/
+    ports:
+    - "127.0.0.1:8545:8545"
+
+volumes:
+  eth-statediff-service-data:

startup_script.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+# Exit if the variable tests fail
+set -e
+set +x
+
+# Check the database variables are set
+test $VDB_COMMAND
+set +e
+
+echo "Running the statediff service"
+./eth-statediff-service ${VDB_COMMAND} --config=config.toml