rename blocks table to eth_blocks so that we don't clash with the ipfs blocks table; dockerfile and startup_script for the seed node

dockerfiles/seed_node/Dockerfile

@@ -0,0 +1,61 @@
+FROM golang:alpine as builder
+
+RUN apk --update --no-cache add make git g++
+# DEBUG
+RUN apk add busybox-extras
+
+# Build statically linked vDB binary (wonky path because of Dep)
+WORKDIR /go/src/github.com/vulcanize/vulcanizedb
+ADD . .
+RUN GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' .
+
+# Build statically linked IPFS binary (statically linked and wonky path because we need to use custom fork)
+WORKDIR /go/src/github.com/ipfs/go-ipfs
+ADD . .
+RUN GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' .
+
+# Build statically linked Geth binary (statically linked and wonky path because we need to use custom fork)
+WORKDIR /go/src/github.com/ethereum/go-ethereum
+ADD . .
+RUN GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' .
+
+# Build migration tool
+RUN go get -u -d github.com/pressly/goose/cmd/goose
+WORKDIR /go/src/github.com/pressly/goose/cmd/goose
+RUN GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -tags='no_mysql no_sqlite' -o goose
+
+WORKDIR /go/src/github.com/vulcanize/vulcanizedb
+
+# app container
+FROM alpine
+WORKDIR /app
+
+ARG USER
+ARG config_file=environments/example.toml
+ARG vdb_command=syncPublishScreenAndServe
+ARG vdb_pg_connect="postgres://$USER@/vulcanize_public?sslmode=disable"
+ARG vdb_dbname="vulcanize_public"
+
+# setup environment
+ENV VDB_COMMAND="$vdb_command"
+ENV VDB_PG_CONNECT="$vdb_pg_connect"
+
+RUN adduser -Du 5000 $USER
+USER $USER
+
+# chown first so dir is writable
+# note: using $USER is merged, but not in the stable release yet
+COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/vulcanizedb/$config_file config.toml
+COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/vulcanizedb/dockerfiles/seed_node/startup_script.sh .
+
+# keep binaries immutable
+COPY --from=builder /go/src/github.com/vulcanize/vulcanizedb/vulcanizedb vulcanizedb
+COPY --from=builder /go/src/github.com/pressly/goose/cmd/goose/goose goose
+COPY --from=builder /go/src/github.com/vulcanize/vulcanizedb/db/migrations migrations/vulcanizedb
+COPY --from=builder /go/src/github.com/ipfs/go-ipfs ipfs
+COPY --from=builder /go/src/github.com/ethereum/go-ethereum geth
+
+# DEBUG
+COPY --from=builder /usr/bin/telnet /bin/telnet
+
+CMD ["./startup_script.sh"]

dockerfiles/seed_node/startup_script.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Runs the migrations and starts the syncPublishScreenAndServe service
+
+# Exit if the variable tests fail
+set -e
+
+# Check the database variables are set
+test $DATABASE_NAME
+test $DATABASE_HOSTNAME
+test $DATABASE_PORT
+test $DATABASE_USER
+test $DATABASE_PASSWORD
+
+# Export our database variables so that the IPFS Postgres plugin can use them
+export IPFS_PGHOST=$DATABASE_HOSTNAME
+export IPFS_PGUSER=$DATABASE_USER
+export IPFS_PGDATABASE=$DATABASE_NAME
+export IPFS_PGPORT=$DATABASE_PORT
+export IPFS_PGPASSWORD=$DATABASE_PASSWORD
+
+# Construct the connection string for postgres
+CONNECT_STRING=postgresql://$DATABASE_USER:$DATABASE_PASSWORD@$DATABASE_HOSTNAME:$DATABASE_PORT/$DATABASE_NAME?sslmode=disable
+echo "Connecting with: $CONNECT_STRING"
+
+set +e
+
+# Run the DB migrations
+./goose postgres "$CONNECT_STRING" up
+if [ $? -eq 0 ]; then
+  # Fire up the services
+  ipfs ipfs init --profile=postgresds
+  geth --statediff --statediff.streamblock --ws --syncmode=full
+  ./vulcanizedb syncPublishScreenAndServe --config environments/seedNodeStaging.toml &
+else
+  echo "Could not run migrations. Are the database details correct?"
+fi
+wait