elasticsearch, kibana: prep for multiarch, move to ubuntu

heade: alpine 3.15

docker/elk/elasticsearch/Dockerfile

@@ -1,44 +1,43 @@
-FROM alpine:3.15
+FROM ubuntu:20.04
 #
 # VARS
-ENV ES_VER=7.16.3 \
-    ES_JAVA_HOME=/usr/lib/jvm/java-16-openjdk
-
+ENV ES_VER=7.16.3
+#
 # Include dist
 ADD dist/ /root/dist/
 #
-RUN apk -U --no-cache add \
-             aria2 \
-             bash \
-             curl \
-             nss && \
-    apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/community openjdk16-jre && \
+RUN apt-get update -y && \
+    apt-get dist-upgrade -y && \
+    apt-get install -y \
+            aria2 \
+            curl && \
 #
-# Get and install packages
+# Determine arch, get and install packages
+    ARCH=$(arch) && \
+      if [ "$ARCH" = "x86_64" ]; then ES_ARCH="amd64"; fi && \
+      if [ "$ARCH" = "aarch64" ]; then ES_ARCH="arm64"; fi && \
+    echo "$ARCH" && \
     cd /root/dist/ && \
-    mkdir -p /usr/share/elasticsearch/ && \
-    aria2c -s 16 -x 16 https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-$ES_VER-linux-x86_64.tar.gz && \
-    tar xvfz elasticsearch-$ES_VER-linux-x86_64.tar.gz --strip-components=1 -C /usr/share/elasticsearch/ && \
-    rm -rf /usr/share/elasticsearch/jdk && \
-    rm -rf /usr/share/elasticsearch/modules/x-pack-ml && \
-    # For some reason Alpine 3.14 does not report the -x flag correctly and thus elasticsearch does not find java
-    sed -i 's/! -x/! -e/g' /usr/share/elasticsearch/bin/elasticsearch-env && \
+    aria2c -s 16 -x 16 https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-$ES_VER-$ES_ARCH.deb && \
+    dpkg -i elasticsearch-$ES_VER-$ES_ARCH.deb && \
 #
 # Add and move files
-    cd /root/dist/ && \
+    rm -rf /usr/share/elasticsearch/modules/x-pack-ml && \
     mkdir -p /usr/share/elasticsearch/config && \
-    cp elasticsearch.yml /usr/share/elasticsearch/config/ && \
+    cp elasticsearch.yml /etc/elasticsearch/ && \
 #
 # Setup user, groups and configs
-    addgroup -g 2000 elasticsearch && \
-    adduser -S -H -s /bin/ash -u 2000 -D -g 2000 elasticsearch && \
-    chown -R elasticsearch:elasticsearch /usr/share/elasticsearch/ && \
+    groupmod -g 2000 elasticsearch && \
+    usermod -u 2000 elasticsearch && \
+    chown -R root:elasticsearch /etc/default/elasticsearch \
+                                /etc/elasticsearch && \
+    chown -R elasticsearch:elasticsearch /var/lib/elasticsearch \
+                                         /var/log/elasticsearch && \
 #
 # Clean up
-    apk del --purge aria2 && \
-    rm -rf /root/* && \
-    rm -rf /tmp/* && \
-    rm -rf /var/cache/apk/*
+    apt-get purge aria2 -y && \
+    apt-get autoremove -y --purge && \
+    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /root/dist
 #
 # Healthcheck
 HEALTHCHECK --retries=10 CMD curl -s -XGET 'http://127.0.0.1:9200/_cat/health'