fix: docker init script sed in non existent file (#1246)

Author: JGAntunes

Diff for: Dockerfile

@@ -7,6 +7,7 @@ ENV IPFS_WRTC_LINUX_WINDOWS=1
 ENV IPFS_BOOTSTRAP=1
 ENV IPFS_MONITORING=1
 ENV IPFS_PATH=/root/.jsipfs
+ENV IPFS_API_HOST=0.0.0.0
 
 ENV BUILD_DEPS='libnspr4 libnspr4-dev libnss3'
 

Diff for: init-and-daemon.sh

@@ -2,17 +2,19 @@
 
 set -e
 
-if [ -n $IPFS_PATH ]; then
+if [ -n "$IPFS_PATH" ]; then
   echo "Using $IPFS_PATH as IPFS repository"
 else
   echo "You need to set IPFS_PATH environment variable to use this script"
   exit 1
 fi
 
-sed -i.bak 's/127.0.0.1/0.0.0.0/g' $IPFS_PATH/config
-
 # Initialize the repo but ignore if error if it already exists
 # This can be the case when we restart a container without stopping/removing it
 node src/cli/bin.js init || true
 
+if [ -n "$IPFS_API_HOST" ]; then
+  sed -i.bak "s/127.0.0.1/$IPFS_API_HOST/g" $IPFS_PATH/config
+fi
+
 node src/cli/bin.js daemon