From ca59beda2f904dc5754c946968f470aacc30b64c Mon Sep 17 00:00:00 2001
From: Christoph Niehoff <christoph.niehoff@tngtech.com>
Date: Mon, 10 May 2021 16:01:04 +0200
Subject: [PATCH] Readded support for a single-container docker deployment as
 this is needed for the heroku example app

---
 .dockerignore                |  1 +
 .travis.yml                  |  2 +-
 heroku/Dockerfile            | 21 +++++++++++++++++++++
 heroku/conf/nginx.conf       | 20 ++++++++++++++++++++
 heroku/conf/supervisord.conf | 20 ++++++++++++++++++++
 5 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 heroku/Dockerfile
 create mode 100644 heroku/conf/nginx.conf
 create mode 100644 heroku/conf/supervisord.conf

diff --git a/.dockerignore b/.dockerignore
index a054123e..8b1e8e30 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -3,3 +3,4 @@ deploy/
 build/
 db/
 **/*.test.js
+.heroku/
diff --git a/.travis.yml b/.travis.yml
index 23c23a51..c32577ee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,7 +30,7 @@ matrix:
         - echo "$DOCKER_PASS" | docker login -u "$DOCKER_USER" --password-stdin
         - echo "$HEROKU_API_KEY" | docker login -u "$HEROKU_USER" --password-stdin registry.heroku.com
       script:
-        - docker build -t $REPO:$COMMIT .
+        - docker build -f heroku/Dockerfile -t $REPO:$COMMIT .
         - docker tag $REPO:$COMMIT $REPO:latest
         - docker tag $REPO:$COMMIT $REPO:$TRAVIS_TAG
         - docker tag $REPO:$COMMIT $REPO:$TRAVIS_TAG
diff --git a/heroku/Dockerfile b/heroku/Dockerfile
new file mode 100644
index 00000000..48bf2d1d
--- /dev/null
+++ b/heroku/Dockerfile
@@ -0,0 +1,21 @@
+FROM ubuntu:latest
+WORKDIR /usr/src/app
+ENV PORT 80
+
+RUN apt-get update && apt-get install -y curl
+RUN curl -sL https://deb.nodesource.com/setup_16.x | bash
+RUN apt-get update && apt-get install -y nginx supervisor nodejs
+RUN rm -rf /var/lib/apt/lists/*
+
+COPY package*.json ./
+RUN npm install
+COPY . .
+COPY heroku/conf/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
+COPY heroku/conf/nginx.conf /etc/nginx/sites-available/default
+
+RUN npm run build
+RUN cp -a build/. /var/www/html/
+
+# add support for $PORT env variable
+CMD sed -i -e 's/$PORT/'"$PORT"'/g' /etc/nginx/sites-available/default && /usr/bin/supervisord
+
diff --git a/heroku/conf/nginx.conf b/heroku/conf/nginx.conf
new file mode 100644
index 00000000..489a9b8d
--- /dev/null
+++ b/heroku/conf/nginx.conf
@@ -0,0 +1,20 @@
+server {
+	listen $PORT;
+	root /var/www/html;
+	index index.html;
+	server_name _;
+	location / {
+        try_files $uri /index.html;
+	}
+	location /api/ {
+        proxy_pass http://localhost:8001/;
+	}
+	location /socket.io/ {
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_http_version 1.1;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header Host $host;
+        proxy_pass http://localhost:8000/socket.io/;
+	}
+}
diff --git a/heroku/conf/supervisord.conf b/heroku/conf/supervisord.conf
new file mode 100644
index 00000000..393290d8
--- /dev/null
+++ b/heroku/conf/supervisord.conf
@@ -0,0 +1,20 @@
+[supervisord]
+nodaemon=true
+ 
+[program:app]
+directory=/usr/src/app
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+command=npm run server
+ 
+[program:nginx]
+command=/usr/sbin/nginx -g "daemon off;"
+priority=900
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+username=www-data
+autorestart=true