From c835df16cc6a16cdf5ad73967a361dca3d6a2e23 Mon Sep 17 00:00:00 2001
From: David C Wang <dcwangmit01@gmail.com>
Date: Sun, 12 May 2019 18:53:31 +0000
Subject: [PATCH 1/2] Added Dockerfile suitable for DockerHub Auto-Builds

---
 Dockerfile | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Dockerfile

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..b7ca8df8
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,50 @@
+#############################
+# Multi-Stage Build
+
+FROM golang:stretch as builder
+
+# Install system deps
+#   We need this in order to build oniguruma.
+#   The debian deb packages for onigurma do not install static libs
+RUN apt-get update && apt-get -y install build-essential make autoconf libtool
+
+# Oniguruma: fetch, build, and install static libs
+RUN cd /tmp && \
+    git clone https://github.com/kkos/oniguruma.git && \
+    cd /tmp/oniguruma && \
+    autoreconf -vfi && \
+    ./configure && \
+    make && \
+    make install
+
+# grok_exporter: fetch source code
+RUN mkdir -p /go/src/github.com/fstab && \
+    cd /go/src/github.com/fstab && \
+    git clone https://github.com/fstab/grok_exporter.git
+
+# Fetch Golang Dependencies
+RUN cd /go/src/github.com/fstab/grok_exporter && \
+  git submodule update --init --recursive && \
+  go get
+
+
+# Build Statically-Linked Binary
+RUN cd /go/src/github.com/fstab/grok_exporter && \
+  GOOS=linux GOARCH=amd64 CGO_ENABLED=1 go build \
+    -ldflags "-w -extldflags \"-static\" \
+    -X github.com/fstab/grok_exporter/exporter.Version=$VERSION \
+    -X github.com/fstab/grok_exporter/exporter.BuildDate=$(date +%Y-%m-%d) \
+    -X github.com/fstab/grok_exporter/exporter.Branch=$(git rev-parse --abbrev-ref HEAD) \
+    -X github.com/fstab/grok_exporter/exporter.Revision=$(git rev-parse --short HEAD) \
+    "
+
+#############################
+# Final-Stage Build
+
+FROM alpine:latest
+
+COPY --from=builder /go/src/github.com/fstab/grok_exporter/grok_exporter \
+     /bin/grok_exporter
+
+EXPOSE 9144
+ENTRYPOINT [ "/bin/grok_exporter" ]

From 1f0ddb19ea64e407ee5450733b882b055bb745ef Mon Sep 17 00:00:00 2001
From: David C Wang <dcwangmit01@gmail.com>
Date: Sun, 12 May 2019 21:01:25 +0000
Subject: [PATCH 2/2] Added Logstash Patterns to Dockerfile

---
 Dockerfile | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index b7ca8df8..33215475 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -43,8 +43,12 @@ RUN cd /go/src/github.com/fstab/grok_exporter && \
 
 FROM alpine:latest
 
+WORKDIR /app
+
 COPY --from=builder /go/src/github.com/fstab/grok_exporter/grok_exporter \
-     /bin/grok_exporter
+     /app/grok_exporter
+COPY --from=builder /go/src/github.com/fstab/grok_exporter/logstash-patterns-core \
+     /app/logstash-patterns-core
 
 EXPOSE 9144
-ENTRYPOINT [ "/bin/grok_exporter" ]
+ENTRYPOINT [ "/app/grok_exporter" ]