Installation script and Dockerfile fixes

Dockerfile

@@ -6,6 +6,6 @@ RUN set -xe && apk update && \
     apk add --update wget && \
     rm -rf /var/cache/apk/*
 
-RUN wget -qO - https://raw.githubusercontent.com/Ph3nol/Docker-Arch/master/install.sh | sh
+RUN curl -sSL https://raw.githubusercontent.com/Ph3nol/Docker-Arch/master/install.sh | sh
 
 ENTRYPOINT ["/usr/local/bin/docker-arch"]

README.md

@@ -21,16 +21,8 @@ docker pull ph3nol/docker-arch
 
 ## Use Docker-Arch from local installation (PHP 7.1+ required)
 
-Using `curl`:
-
-``` shell
-curl -sSL https://raw.githubusercontent.com/Ph3nol/Docker-Arch/master/install.sh | bash
-```
-
-Using `wget`:
-
 ``` shell
-wget -qO - https://raw.githubusercontent.com/Ph3nol/Docker-Arch/master/install.sh | bash
+curl -sSL https://raw.githubusercontent.com/Ph3nol/Docker-Arch/master/install.sh | sh
 ```
 
 ## Docker-Arch environment generation

install.sh

@@ -1,42 +1,16 @@
-#!/bin/bash
+#!/bin/sh
 
 GITHUB_LAST_RELEASE_ENDPOINT="https://api.github.com/repos/Ph3nol/Docker-Arch/releases/latest"
 DESTINATION_BIN_PATH="/usr/local/bin/docker-arch"
 
 echo "--- Docker-Arch - Installation script ---"
-echo ""
-echo "Looking for your available download package..."
 
-if [ -x "$(command -v wget)" ]
-then
-    echo "> Going to use WGET to download PHAR package."
-    LATEST_RELEASE_CONDITION=$(wget -S --spider "$GITHUB_LAST_RELEASE_ENDPOINT"  2>&1 | grep 'HTTP/1.1 200 OK')
-    if [[ $LATEST_RELEASE_CONDITION ]]; then
-        PHAR_DOWNLOAD_LINK=$(curl -s "$GITHUB_LAST_RELEASE_ENDPOINT" | grep browser_download_url | cut -d '"' -f 4)
-    else
-        PHAR_DOWNLOAD_LINK="https://github.com/Ph3nol/Docker-Arch/raw/master/dist/docker-arch.phar"
-    fi
-    echo "• Downloading..."
-    wget --quiet --no-check-certificate -O /tmp/docker-arch "$PHAR_DOWNLOAD_LINK"
-elif [ -x "$(command -v curl)" ]
-then
-    echo "> Going to use CURL to download PHAR package."
-    LATEST_RELEASE_CONDITION=$(curl --write-out %{http_code} --silent --output /dev/null "$GITHUB_LAST_RELEASE_ENDPOINT")
-    if [[ "$LATEST_RELEASE_CONDITION" == "200" ]]; then
-        PHAR_DOWNLOAD_LINK=$(curl -s "$GITHUB_LAST_RELEASE_ENDPOINT" | grep browser_download_url | cut -d '"' -f 4)
-    else
-        PHAR_DOWNLOAD_LINK="https://github.com/Ph3nol/Docker-Arch/raw/master/dist/docker-arch.phar"
-    fi
-    echo "• Downloading..."
-    curl -L -s -o /tmp/docker-arch "$PHAR_DOWNLOAD_LINK"
-else
-    echo "ERROR: no required `wget` or `curl` package has been found."
-    exit
-fi
+PHAR_DOWNLOAD_LINK=$(curl -s "$GITHUB_LAST_RELEASE_ENDPOINT" | grep browser_download_url | cut -d '"' -f 4)
+echo "• Downloading from $PHAR_DOWNLOAD_LINK..."
+curl -L -s -o /tmp/docker-arch "$PHAR_DOWNLOAD_LINK"
 
 echo "• Installing..."
 chmod +x /tmp/docker-arch
 mv /tmp/docker-arch "$DESTINATION_BIN_PATH"
-echo "• Done."
-echo ""
-echo "Enjoy! 🐳"
+
+echo "• Done. Enjoy! 🐳"