docker

Dockerfile

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+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 tx_spammer
+ADD . /go/src/github.com/vulcanize/tx_spammer
+WORKDIR /go/src/github.com/vulcanize/tx_spammer
+RUN GO111MODULE=on GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o tx_spammer .
+
+# app container
+FROM alpine
+
+ARG USER="vdm"
+ARG CONFIG_FILE="./environments/example.toml"
+
+RUN adduser -Du 5000 $USER
+WORKDIR /app
+RUN chown $USER /app
+USER $USER
+
+# chown first so dir is writable
+# note: using $USER is merged, but not in the stable release yet
+COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/tx_spammer/$CONFIG_FILE config.toml
+COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/tx_spammer/startup_script.sh .
+
+# keep binaries immutable
+COPY --from=builder /go/src/github.com/vulcanize/tx_spammer/tx_spammer tx_spammer
+COPY --from=builder /go/src/github.com/vulcanize/tx_spammer/environments environments
+
+ENTRYPOINT ["/app/startup_script.sh"]

startup_script.sh

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+#!/bin/sh
+
+set -e
+set +x
+test $SPAMMER_COMMAND
+set +e
+
+echo "Running tx spammer"
+./ipld-eth-indexer ${SPAMMER_COMMAND} --config=config.toml --log-file=${LOG_FILE} --log-level=${LOG_LEVEL}
+
+if [ $? -eq 0 ]; then
+    echo "tx spammer ran successfully"
+else
+    echo "tx spammer ran with error. Is the config file correct?"
+    exit 1
+fi