From 5c5c7946bcb8ecee002c69c68c5bedb0b8130bf6 Mon Sep 17 00:00:00 2001
From: iamabhishek-dubey <abhishekbhardwaj510@gmail.com>
Date: Wed, 18 Mar 2020 23:14:11 +0530
Subject: [PATCH] Changed image architecture

---
 Dockerfile    | 11 +++++++++--
 entrypoint.sh | 23 +++++------------------
 redis.conf    |  8 ++++++++
 run.sh        | 18 ++++++++++++++++++
 4 files changed, 40 insertions(+), 20 deletions(-)
 create mode 100644 redis.conf
 create mode 100755 run.sh

diff --git a/Dockerfile b/Dockerfile
index c26785f..9fe0799 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ ARG REDIS_DOWNLOAD_URL="http://download.redis.io/"
 
 ARG REDIS_VERSION="stable"
 
-RUN addgroup -S -g 1000 redis && adduser -S -G redis -u 999 redis && \
+RUN addgroup -S -g 1001 redis && adduser -S -G redis -u 1001 redis && \
     apk add --no-cache su-exec tzdata make curl build-base linux-headers bash
 
 RUN curl -fL -Lo /tmp/redis-${REDIS_VERSION}.tar.gz ${REDIS_DOWNLOAD_URL}/redis-${REDIS_VERSION}.tar.gz && \
@@ -21,14 +21,21 @@ RUN curl -fL -Lo /tmp/redis-${REDIS_VERSION}.tar.gz ${REDIS_DOWNLOAD_URL}/redis-
     make install && \
     mkdir -p /etc/redis && \
     cp -f *.conf /etc/redis && \
-    rm -rf /tmp/redis-${REDIS_VERSION}*
+    rm -rf /tmp/redis-${REDIS_VERSION}* && \
+    apk del curl make
+
+COPY redis.conf /etc/redis/redis.conf
 
 COPY entrypoint.sh /usr/bin/entrypoint.sh
 
+COPY run.sh /usr/bin/run.sh
+
 VOLUME ["/data"]
 
 WORKDIR /data
 
+USER redis
+
 EXPOSE 6379
 
 ENTRYPOINT ["/usr/bin/entrypoint.sh"]
diff --git a/entrypoint.sh b/entrypoint.sh
index 47668cc..8f4dbb0 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,22 +1,9 @@
 #!/bin/bash
 
-set -eu
-
-generate_common_config() {
-    {
-        echo "bind 0.0.0.0"
-        echo protected-mode yes
-        echo tcp-backlog 511
-        echo timeout 0
-        echo tcp-keepalive 300
-        echo daemonize no
-        echo supervised no
-        echo pidfile /var/run/redis.pid
-    } > /etc/redis/redis.conf
-}
+set -ex
 
 set_redis_password() {
-    if [ -z "${REDIS_PASSWORD}" ]; then
+    if [[ -z "${REDIS_PASSWORD}" ]]; then
         echo "Redis is running without password which is not recommended"
     else
         {
@@ -27,7 +14,7 @@ set_redis_password() {
 }
 
 redis_mode_setup() {
-    if [ "${SETUP_MODE}" = "cluster" ]; then
+    if [[ "${SETUP_MODE}" == "cluster" ]]; then
         {
             echo cluster-enabled yes
             echo cluster-config-file nodes.conf
@@ -39,15 +26,15 @@ redis_mode_setup() {
 }
 
 start_redis() {
-    echo "Starting redis service "
+    echo "Starting redis service....."
     redis-server /etc/redis/redis.conf
 }
 
 main_function() {
-    generate_common_config
     set_redis_password
     redis_mode_setup
     start_redis
+    redis_server_mode
 }
 
 main_function
diff --git a/redis.conf b/redis.conf
new file mode 100644
index 0000000..ddfa540
--- /dev/null
+++ b/redis.conf
@@ -0,0 +1,8 @@
+bind 0.0.0.0
+protected-mode yes
+tcp-backlog 511
+timeout 0
+tcp-keepalive 300
+daemonize no
+supervised no
+pidfile /var/run/redis.pid
diff --git a/run.sh b/run.sh
new file mode 100755
index 0000000..03bb794
--- /dev/null
+++ b/run.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+redis_server_mode() {
+    if [[ "${SERVER_MODE}" == "master" ]]; then
+        echo "Redis server mode is master"
+    elif [[ "${SERVER_MODE}" == "slave" ]]; then
+        echo "Redis server mode is slave"
+        if [[ -z "${REDIS_PASSWORD}" ]]; then
+            redis-cli --add-node "${SLAVE_IP}" "${MASTER_IP}" --cluster-slave
+        else
+            redis-cli --add-node "${SLAVE_IP}" "${MASTER_IP}" --cluster-slave -a "${REDIS_PASSWORD}"
+        fi
+    else
+        echo "Redis server mode is standalone"
+    fi
+}
+
+redis_server_mode
-- 
2.26.0