Updated and Improved install scripts. (#3006)

build/alpine/install-packages.sh

@@ -3,6 +3,7 @@
 set -e
 set -o pipefail
 
+# Install necessary packages
 apk add --no-cache -U \
     openssl \
     imagemagick \
@@ -14,7 +15,8 @@ apk add --no-cache -U \
     procps \
     shadow \
     bash \
-    curl iputils \
+    curl \
+    iputils \
     git \
     jq \
     mysql-client \
@@ -29,11 +31,15 @@ apk add --no-cache -U \
     libwebp \
     libcap
 
-# Patched knockd
+# Download and install patched knockd
 curl -fsSL -o /tmp/knock.tar.gz https://github.com/Metalcape/knock/releases/download/0.8.1/knock-0.8.1-alpine-amd64.tar.gz
 tar -xf /tmp/knock.tar.gz -C /usr/local/ && rm /tmp/knock.tar.gz
 ln -s /usr/local/sbin/knockd /usr/sbin/knockd
 setcap cap_net_raw=ep /usr/local/sbin/knockd
 
-# Set git credentials
-echo -e "[user]\n       name = Minecraft Server on Docker\n     email = server@example.com" >> /etc/gitconfig
+# Set Git credentials globally
+cat <<EOF >> /etc/gitconfig
+[user]
+	name = Minecraft Server on Docker
+	email = server@example.com
+EOF