refactor(SCRIPT): replace in-line printf styles
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Asif Bacchus
parent
b617b7e633
commit
5a313ea778
82
ab-nginx.sh
82
ab-nginx.sh
@ -5,7 +5,7 @@
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#
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# text formatting presets
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if command -v tput > /dev/null; then
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if command -v tput >/dev/null; then
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cyan=$(tput bold)$(tput setaf 6)
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err=$(tput bold)$(tput setaf 1)
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magenta=$(tput sgr0)$(tput setaf 5)
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@ -21,7 +21,6 @@ else
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width=80
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fi
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### parameter defaults
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shell=false
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container_name="ab-nginx"
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@ -34,25 +33,24 @@ unset SERVERS_DIR
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unset WEBROOT_DIR
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unset vmount
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### functions
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checkExist () {
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checkExist() {
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if [ "$1" = 'file' ]; then
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if [ ! -f "$2" ]; then
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printf "${err}\nCannot find file: '$2'. Exiting.\n${norm}"
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printf "%s\nCannot find file: '$2'. Exiting.\n%s" "$err" "$norm"
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exit 3
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fi
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elif [ "$1" = 'dir' ]; then
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if [ ! -d "$2" ]; then
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printf "${err}\nCannot find directory: '$2'. Exiting.\n${norm}"
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printf "%s\nCannot find directory: '$2'. Exiting.\n$%s" "$err" "$norm"
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exit 3
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fi
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fi
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return 0
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}
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scriptHelp () {
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scriptHelp() {
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printf "\n%s%1000s\n" "$magenta" | tr " " "-" | cut -c -$width
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printf "%s" "$norm"
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textblock "This is a simple helper script so you can avoid lengthy typing when working with the nginx container. The script reads the contents of 'ab-nginx.params' and constructs various 'docker run' commands based on that file. The biggest time-saver is working with certificates. If they are specified in the params file, the script will automatically bind-mount them so nginx serves content via SSL by default."
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@ -77,11 +75,11 @@ scriptHelp () {
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exit 0
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}
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newline () {
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newline() {
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printf "\n"
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}
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textblock () {
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textblock() {
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printf "%s\n" "$1" | fold -w "$width" -s
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}
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@ -95,13 +93,12 @@ textblockParam() {
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fi
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}
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### pre-requisite checks
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# is user root or in the docker group?
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if [ ! "$( id -u )" -eq 0 ]; then
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if ! id -Gn | grep docker > /dev/null; then
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printf "${err}\nYou must either be root or in the 'docker' group to run this script since you must be able to actually start the container! Exiting.\n${norm}"
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if [ ! "$(id -u)" -eq 0 ]; then
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if ! id -Gn | grep docker >/dev/null; then
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printf "%s\nYou must either be root or in the 'docker' group to run this script since you must be able to actually start the container! Exiting.\n$%s" "$err" "$norm"
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exit 2
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fi
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fi
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@ -110,11 +107,11 @@ fi
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checkExist 'file' './ab-nginx.params'
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# read .params file
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. ./ab-nginx.params
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. "./ab-nginx.params"
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# fix case of TLS13_ONLY var
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if [ "$TLS13_ONLY" ]; then
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TLS13_ONLY=$( printf "%s" "$TLS13_ONLY" | tr "[:lower:]" "[:upper:]" )
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TLS13_ONLY=$(printf "%s" "$TLS13_ONLY" | tr "[:lower:]" "[:upper:]")
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fi
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# check for certs if using SSL
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@ -125,7 +122,7 @@ if [ "$SSL_CHAIN" ]; then checkExist 'file' "$SSL_CHAIN"; fi
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# check for DHparam if using TLS1.2
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if [ "$TLS13_ONLY" = 'FALSE' ]; then
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if [ -z "$DH" ]; then
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printf "${err}\nA DHparam file must be specified when using TLS 1.2. Exiting.${norm}\n"
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printf "%s\nA DHparam file must be specified when using TLS 1.2. Exiting.%s\n" "$err" "$norm"
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exit 5
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else
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checkExist 'file' "$DH"
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@ -163,31 +160,30 @@ fi
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# trim leading whitespace
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vmount=${vmount##[[:space:]]}
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# process startup parameters
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while [ $# -gt 0 ]; do
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case "$1" in
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-h|-\?|--help)
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-h | -\? | --help)
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# display help
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scriptHelp
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exit 0
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;;
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-s|--shell)
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-s | --shell)
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# start shell instead of default CMD
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shell=true
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;;
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-n|--name)
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-n | --name)
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# container name
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if [ -z "$2" ]; then
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printf "${err}\nNo container name specified. Exiting.\n${norm}"
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printf "%s\nNo container name specified. Exiting.\n%s" "$err" "$norm"
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exit 1
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fi
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container_name="$2"
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shift
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;;
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*)
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printf "${err}\nUnknown option: %s\n" "$1"
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printf "Use '--help' for valid options.\n\n${norm}"
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printf "%s\nUnknown option: %s\n" "$err" "$1"
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printf "Use '--help' for valid options.\n\n%s" "$norm"
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exit 1
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;;
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esac
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@ -195,33 +191,32 @@ while [ $# -gt 0 ]; do
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done
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# create network if it doesn't already exist
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docker network inspect ${NETWORK} > /dev/null 2>&1 || \
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docker network inspect ${NETWORK} >/dev/null 2>&1 ||
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docker network create \
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--attachable \
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--driver=bridge \
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--subnet=${SUBNET} \
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${NETWORK}
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# run without TLS
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if [ -z "$SSL_CERT" ]; then
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if [ $shell = 'true' ]; then
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# exec shell
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printf "${cyan}\nRunning SHELL on %s...${norm}\n" "$container_name"
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docker run --rm -it --name ${container_name} \
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printf "%s\nRunning SHELL on %s...%s\n" "$cyan" "$container_name" "$norm"
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docker run --rm -it --name "${container_name}" \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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"${vmount}" \
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--network=${NETWORK} \
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-p ${HTTP_PORT}:80 \
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docker.asifbacchus.app/nginx/ab-nginx:latest /bin/sh
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else
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# exec normally
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printf "${cyan}\nRunning NGINX on %s...${norm}\n" "$container_name"
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docker run -d --name ${container_name} \
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printf "%s\nRunning NGINX on %s...%s\n" "$cyan" "$container_name" "$norm"
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docker run -d --name "${container_name}" \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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"${vmount}" \
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--network=${NETWORK} \
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-p ${HTTP_PORT}:80 \
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--restart unless-stopped \
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@ -231,11 +226,11 @@ if [ -z "$SSL_CERT" ]; then
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elif [ "$SSL_CERT" ] && [ "$TLS13_ONLY" = 'FALSE' ]; then
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if [ $shell = 'true' ]; then
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# exec shell
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printf "${cyan}\nRunning SHELL on %s (TLS 1.2)...${norm}\n" "$container_name"
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docker run --rm -it --name ${container_name} \
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printf "%s\nRunning SHELL on %s (TLS 1.2)...%s\n" "$cyan" "$container_name" "$norm"
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docker run --rm -it --name "${container_name}" \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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"${vmount}" \
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--network=${NETWORK} \
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-v "$SSL_CERT":/certs/fullchain.pem:ro \
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-v "$SSL_KEY":/certs/privkey.pem:ro \
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@ -245,11 +240,11 @@ elif [ "$SSL_CERT" ] && [ "$TLS13_ONLY" = 'FALSE' ]; then
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docker.asifbacchus.app/nginx/ab-nginx:latest /bin/sh
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else
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# exec normally
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printf "${cyan}\nRunning NGINX on %s (TLS 1.2)...${norm}\n" "$container_name"
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docker run -d --name ${container_name} \
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printf "%s\nRunning NGINX on %s (TLS 1.2)...%s\n" "$cyan" "$container_name" "$norm"
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docker run -d --name "${container_name}" \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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"${vmount}" \
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--network=${NETWORK} \
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-v "$SSL_CERT":/certs/fullchain.pem:ro \
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-v "$SSL_KEY":/certs/privkey.pem:ro \
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@ -263,11 +258,11 @@ elif [ "$SSL_CERT" ] && [ "$TLS13_ONLY" = 'FALSE' ]; then
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elif [ "$SSL_CERT" ] && [ "$TLS13_ONLY" = 'TRUE' ]; then
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if [ $shell = 'true' ]; then
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# exec shell
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printf "${cyan}\nRunning SHELL on %s (TLS 1.3)...${norm}\n" "$container_name"
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docker run --rm -it --name ${container_name} \
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printf "%s\nRunning SHELL on %s (TLS 1.3)...%s\n" "$cyan" "$container_name" "$norm"
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docker run --rm -it --name "${container_name}" \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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"${vmount}" \
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--network=${NETWORK} \
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-v "$SSL_CERT":/certs/fullchain.pem:ro \
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-v "$SSL_KEY":/certs/privkey.pem:ro \
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@ -276,11 +271,11 @@ elif [ "$SSL_CERT" ] && [ "$TLS13_ONLY" = 'TRUE' ]; then
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docker.asifbacchus.app/nginx/ab-nginx:latest /bin/sh
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else
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# exec normally
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printf "${cyan}\nRunning NGINX on %s (TLS 1.3)...${norm}\n" "$container_name"
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docker run -d --name ${container_name} \
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printf "%s\nRunning NGINX on %s (TLS 1.3)...%s\n" "$cyan" "$container_name" "$norm"
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docker run -d --name "${container_name}" \
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--env-file ab-nginx.params \
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-e SERVER_NAMES="$HOSTNAMES" \
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$vmount \
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"${vmount}" \
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--network=${NETWORK} \
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-v "$SSL_CERT":/certs/fullchain.pem:ro \
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-v "$SSL_KEY":/certs/privkey.pem:ro \
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@ -291,6 +286,5 @@ elif [ "$SSL_CERT" ] && [ "$TLS13_ONLY" = 'TRUE' ]; then
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fi
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fi
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### exit gracefully
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exit 0
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