From b7d99fcd0864395564da9fc4a1d71a0575b078f8 Mon Sep 17 00:00:00 2001
From: Vivek Teega <vivek.teega@gmail.com>
Date: Wed, 12 Jun 2024 20:08:31 +0530
Subject: [PATCH] Added changes to entrypoint.sh for frontend to take in IP of
 backend container for RPC connection

---
 README.md     | 31 ++++++++++++-------------------
 entrypoint.sh | 21 +++++++++++++++++++--
 2 files changed, 31 insertions(+), 21 deletions(-)

diff --git a/README.md b/README.md
index c64951c..6fb20cb 100644
--- a/README.md
+++ b/README.md
@@ -15,17 +15,20 @@ docker build -f Dockerfile -t vivekteega/blockbook:1.0.0 .
 
 docker volume create blockbook
 
-# Run backend in "it" mode
-docker run -it --mount source=blockbook,target=/opt -p 38366:38366 -p 8066:8066 vivekteega/blockbook:1.0.0 backend
+docker network create blockbook
 
-# Run backend in daemon mode
-docker run -d --mount source=blockbook,target=/ -p 38366:38366 -p 8066:8066 vivekteega/blockbook:1.0.0 backend
+# Run backend in "it" mode for testing
+docker run -it --name blockbook-backend --mount source=blockbook,target=/opt -p 38366:38366 -p 8066:8066 --network=blockbook vivekteega/blockbook:1.0.0 backend
 
-# Run frontend in "it" mode
-docker run -it --mount source=blockbook,target=/opt -p 9166:9166 -p 9066:9066 vivekteega/blockbook:1.0.0 frontend
+# Run backend in daemon mode for production
+docker run -d --name blockbook-backend --mount source=blockbook,target=/opt -p 38366:38366 -p 8066:8066 --network=blockbook vivekteega/blockbook:1.0.0 backend
 
-# Run frontend in it mode
-docker run -d --mount source=blockbook,target=/ -p 9166:9166 -p 9066:9066 vivekteega/blockbook:1.0.0 frontend
+
+# Run frontend in "it" mode for testing
+docker run -it --name blockbook-frontend --mount source=blockbook,target=/opt -p 9166:9166 -p 9066:9066 --network=blockbook vivekteega/blockbook:1.0.0 frontend 172.20.0.2
+
+# Run frontend in daemon mode for production
+docker run -d --name blockbook-frontend --mount source=blockbook,target=/opt -p 9166:9166 -p 9066:9066 --network=blockbook vivekteega/blockbook:1.0.0 frontend 172.20.0.2
 ```
 
 ## Building & running backend image
@@ -38,14 +41,4 @@ docker volume create blockbook
 docker run -it --mount source=blockbook,target=/opt/coins -p vivekteega/blockbook-backend:1.0.
 
 docker run -d --mount source=blockbook,target=/opt/coins -p 38366:38366 -p 8066:8066 vivekteega/blockbook-backend:1.0.0
-```
-
-## Building & running frontend image
-
-```
-docker build -t vivekteega/blockbook-frontend:1.0.0 -f Dockerfile_frontend .
-
-docker run -it --mount source=blockbook,target=/opt/coins -p 9166:9166 -p 9066:9066 vivekteega/blockbook-frontend:1.0.0
-
-docker run -d --mount source=blockbook,target=/opt/coins -p 9166:9166 -p 9066:9066 vivekteega/blockbook-frontend:1.0.0
-```
+```
\ No newline at end of file
diff --git a/entrypoint.sh b/entrypoint.sh
index 610c96a..fdbaf6b 100644
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,9 +1,26 @@
 #!/bin/sh
 set -e
 
+# Function to update config file
+update_config_file() {
+  local config_path=$1
+  local new_ip=$2
+  if [ -n "$new_ip" ]; then
+    echo "Updating config file: $config_path with IP: $new_ip"
+    # Replace IP address in the config file
+    sed -i "s/127.0.0.1/$new_ip/g" "$config_path"
+  fi
+}
+
 case "$1" in
   "frontend")
-    echo "Running frontend command"
+    if [ -z "$2" ]; then
+      echo "Missing parameter: new_ip for frontend"
+      exit 1
+    fi
+    new_ip=$2
+    echo "Running frontend command with IP: $new_ip"
+    update_config_file "/opt/coins/blockbook/flo/config/blockchaincfg.json" "$new_ip"
     cd /opt/coins/blockbook/flo
     exec /opt/coins/blockbook/flo/bin/blockbook -blockchaincfg=/opt/coins/blockbook/flo/config/blockchaincfg.json -datadir=/opt/coins/data/flo/blockbook/db -sync -internal=:9066 -public=:9166 -certfile=/opt/coins/blockbook/flo/cert/blockbook -explorer= -log_dir=/opt/coins/blockbook/flo/logs -dbcache=1073741824
     ;;
@@ -14,7 +31,7 @@ case "$1" in
     ;;
   *)
     echo "Invalid option: $1"
-    echo "Usage: $0 {frontend|backend}"
+    echo "Usage: $0 {frontend new_ip|backend}"
     exit 1
     ;;
 esac