From b0bcdacc7d61141a57b37731644d96a595684925 Mon Sep 17 00:00:00 2001
From: Thomas E Lackey <telackey@bozemanpass.com>
Date: Wed, 25 Jan 2023 16:10:29 -0600
Subject: [PATCH] Add debugging support for Docker container. (#228)

---
 Dockerfile    | 6 ++++++
 entrypoint.sh | 9 +++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index e4bc84eb..78502d6d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,9 @@ RUN apk --update --no-cache add make git g++ linux-headers
 # DEBUG
 RUN apk add busybox-extras
 
+# Include dlv
+RUN go install github.com/go-delve/delve/cmd/dlv@latest
+
 # Build ipld-eth-server
 WORKDIR /go/src/github.com/cerc-io/ipld-eth-server
 
@@ -46,4 +49,7 @@ COPY --from=builder /go/src/github.com/cerc-io/ipld-eth-server/ipld-eth-server i
 COPY --from=builder /goose goose
 COPY --from=builder /go/src/github.com/cerc-io/ipld-eth-server/environments environments
 
+# Allow for debugging
+COPY --from=builder  /go/bin/dlv /usr/local/bin/
+
 ENTRYPOINT ["/app/entrypoint.sh"]
diff --git a/entrypoint.sh b/entrypoint.sh
index 3e0e2372..109736c4 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,8 +2,13 @@
 
 echo "Beginning the ipld-eth-server process"
 
-echo running: ./ipld-eth-server ${VDB_COMMAND} --config=config.toml
-./ipld-eth-server ${VDB_COMMAND} --config=config.toml
+START_CMD="./ipld-eth-server"
+if [ "true" == "$CERC_REMOTE_DEBUG" ] && [ -x "/usr/local/bin/dlv" ]; then
+    START_CMD="/usr/local/bin/dlv --listen=:40000 --headless=true --api-version=2 --accept-multiclient exec `pwd`/ipld-eth-server --continue --"
+fi
+
+echo running: $START_CMD ${VDB_COMMAND} --config=`pwd`/config.toml
+$START_CMD ${VDB_COMMAND} --config=`pwd`/config.toml
 rv=$?
 
 if [ $rv != 0 ]; then