From f0b8ac6301ceab2046bb72f59e72596adbfda13e Mon Sep 17 00:00:00 2001
From: redxef <federanko.manuel@gmail.com>
Date: Fri, 5 Feb 2021 15:13:20 +0100
Subject: [PATCH] Init commit.

---
 environment_variables.txt |  1 +
 nginx.Dockerfile          | 12 ++++++++++++
 start-nginx.sh            | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+)
 create mode 100644 environment_variables.txt
 create mode 100644 nginx.Dockerfile
 create mode 100755 start-nginx.sh

diff --git a/environment_variables.txt b/environment_variables.txt
new file mode 100644
index 0000000..0ec23cc
--- /dev/null
+++ b/environment_variables.txt
@@ -0,0 +1 @@
+${DOMAIN_NAME}
diff --git a/nginx.Dockerfile b/nginx.Dockerfile
new file mode 100644
index 0000000..40ae86a
--- /dev/null
+++ b/nginx.Dockerfile
@@ -0,0 +1,12 @@
+# FROM nginx:alpine
+FROM alpine:latest
+
+RUN apk update && apk upgrade && apk add nginx gettext && \
+    rm -r /etc/nginx
+
+COPY start-nginx.sh /usr/local/bin/
+COPY environemnt_variables.txt /
+
+USER root
+ENTRYPOINT ["/bin/sh", "-c"]
+CMD ["start-nginx.sh"]
diff --git a/start-nginx.sh b/start-nginx.sh
new file mode 100755
index 0000000..16ee0bd
--- /dev/null
+++ b/start-nginx.sh
@@ -0,0 +1,34 @@
+#!/usr/bin/env sh
+
+set -x
+
+enable_server() {
+    for name in "$@"; do
+        src_dir="/etc/nginx/sites-available"
+        dst_dir="/etc/nginx/sites-enabled"
+        mkdir -p "$dst_dir"
+        envsubst '${DOMAIN_NAME}' < "$src_dir/$name.conf" > "$dst_dir/$name.conf"
+    done
+}
+
+enable_ssh_server() {
+    for name in "$@"; do
+        src_dir="/etc/nginx/ssh-available"
+        dst_dir="/etc/nginx/ssh-enabled"
+        mkdir -p "$dst_dir"
+        envsubst '${DOMAIN_NAME}' < "$src_dir/$name.conf" > "$dst_dir/$name.conf"
+    done
+}
+
+sub_env_vars="$(cat /environment_variables.txt)"
+
+echo "Enabling servers"
+(
+    pushd "/etc/nginx/sites-available" || exit $?
+    for f in *.conf; do
+        envsubst "$sub_env_vars" < "$f" > "../sites-enabled/$f"
+    done
+)
+
+echo "Starting nginx"
+exec nginx -g 'daemon off;' -c /etc/nginx/nginx.conf