diff --git a/.gitignore b/.gitignore
index a5756bd0..c753aed9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,6 @@ temp
 template
 .DS_Store
 *.zip
-node_modules
\ No newline at end of file
+node_modules
+
+.idea
diff --git a/Dockerfile b/Dockerfile
index 3a440163..4180ed63 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,29 +1,32 @@
-FROM jruby:9.2.18.0-jdk11 as build-image
+FROM alpine:3.13 as build-image
 
-RUN apt-get update \
-    && apt-get upgrade -y \
-    && apt-get install -y build-essential npm \
-    && apt-get install -y iputils-ping \
-    && apt-get autoremove --purge -y \
-    && apt-get clean -y \
-    && rm -rf /var/lib/apt/lists/*
+WORKDIR /build
 
+RUN apk update \
+    && apk upgrade \
+    && apk add --no-cache \
+        build-base \
+        npm \
+        curl \
+        iputils \
+        ruby-full \
+        ruby-dev \
+        openjdk8 \
+        bash
 
 RUN gem install jekyll
-
 RUN npm install -g fsh-sushi
 
-WORKDIR /build
-
 COPY _updatePublisher_curl.sh _updatePublisher_curl.sh
 COPY _genonce.sh _genonce.sh
+RUN ./_updatePublisher_curl.sh -y
+
 COPY input input
 COPY ig.ini ig.ini
 COPY sushi-config.yaml sushi-config.yaml
 COPY package-list.json package-list.json
 
-RUN ./_updatePublisher_curl.sh -y || echo "ok"
-
+RUN chmod +x _genonce.sh
 RUN ./_genonce.sh -y
 
 FROM alpine:3.13
@@ -35,4 +38,4 @@ RUN chmod +x /app/docker-entrypoint.sh
 
 COPY --from=build-image /build /app
 
-ENTRYPOINT ["/app/docker-entrypoint.sh"]
\ No newline at end of file
+ENTRYPOINT ["/app/docker-entrypoint.sh"]
diff --git a/_updatePublisher.sh b/_updatePublisher.sh
index e28128be..0fcd5e0c 100755
--- a/_updatePublisher.sh
+++ b/_updatePublisher.sh
@@ -32,7 +32,7 @@ done
 
 echo "Checking internet connection"
 case "$OSTYPE" in
-	linux-gnu* ) ping tx.fhir.org -4 -c 1 -w 1000 >/dev/null ;;
+	linux* ) ping tx.fhir.org -4 -c 1 -w 1000 >/dev/null ;;
   darwin* )	ping tx.fhir.org -c 1 >/dev/null ;;
 	*) echo "unknown: $OSTYPE"; exit 1 ;;
 esac
diff --git a/_updatePublisher_curl.sh b/_updatePublisher_curl.sh
index 844980b9..f6142355 100755
--- a/_updatePublisher_curl.sh
+++ b/_updatePublisher_curl.sh
@@ -32,7 +32,7 @@ done
 
 echo "Checking internet connection"
 case "$OSTYPE" in
-  linux-gnu* ) curl -sSf tx.fhir.org > /dev/null ;;
+  linux* ) curl -sSf tx.fhir.org > /dev/null ;;
   darwin* )	ping tx.fhir.org -c 1 >/dev/null ;;
 	*) echo "unknown: $OSTYPE"; exit 1 ;;
 esac