Add environment variable in frontend and ssl

frontend/.docker/add-env-vars.sh

@@ -0,0 +1,27 @@
+_writeFrontendEnvVars() {
+    ENV_JSON="$(jq --compact-output --null-input 'env | with_entries(select(.key | startswith("REACT_APP_")))')"
+    ENV_JSON_ESCAPED="$(printf "%s" "${ENV_JSON}" | sed -e 's/[\&/]/\\&/g')"
+    sed -i "s/<noscript id=\"env-insertion-point\"><\/noscript>/<script>var ENV=${ENV_JSON_ESCAPED}<\/script>/g" ${PUBLIC_HTML}index.html
+}
+
+_writeNginxEnvVars() {
+    dockerize -template /etc/nginx/conf.d/default.conf:/etc/nginx/conf.d/default.conf
+}
+
+_addSslConfig() {
+    SSL_CERTIFICATE=/etc/nginx/ssl/${1}/fullchain.pem;
+    SSL_CERTIFICATE_KEY=/etc/nginx/ssl/${1}/privkey.pem;
+    FILE_CONF=/etc/nginx/sites.d/${1}.conf
+
+    if [ -f ${SSL_CERTIFICATE} ] && [ -f ${SSL_CERTIFICATE_KEY} ]; then
+        echo 'include "include.d/ssl.conf";' >> ${FILE_CONF};
+        echo "ssl_certificate ${SSL_CERTIFICATE};" >> ${FILE_CONF};
+        echo "ssl_certificate_key ${SSL_CERTIFICATE_KEY};" >> ${FILE_CONF};
+    fi;
+}
+
+_writeFrontendEnvVars;
+_writeNginxEnvVars;
+
+_addSslConfig 'backend'
+_addSslConfig 'frontend'

frontend/.docker/nginx/conf.d/default.conf

@@ -1,4 +1,18 @@
-server {
-    server_name _;
-    include include.d/spa.conf;
+upstream backend {
+    server {{ .Env.URL_BACKEND }};
 }
+
+server {
+    listen 80;
+    index index.html;
+    root /var/www/public/;
+
+    server_name {{ default .Env.FRONTEND_SERVER_NAME "_" }};
+    include sites.d/frontend.conf;
+}
+
+server {
+    listen 80;
+    server_name {{ default .Env.BACKEND_SERVER_NAME "_" }};
+    include sites.d/backend.conf;
+}

frontend/.docker/nginx/include.d/letsencrypt.conf

@@ -0,0 +1,45 @@
+#############################################################################
+# Configuration file for Let's Encrypt ACME Challenge location
+# This file is already included in listen_xxx.conf files.
+# Do NOT include it separately!
+#############################################################################
+#
+# This config enables to access /.well-known/acme-challenge/xxxxxxxxxxx
+# on all our sites (HTTP), including all subdomains.
+# This is required by ACME Challenge (webroot authentication).
+# You can check that this location is working by placing ping.txt here:
+# /var/www/letsencrypt/.well-known/acme-challenge/ping.txt
+# And pointing your browser to:
+# http://xxx.domain.tld/.well-known/acme-challenge/ping.txt
+#
+# Sources:
+# https://community.letsencrypt.org/t/howto-easy-cert-generation-and-renewal-with-nginx/3491
+#
+#############################################################################
+
+# Rule for legitimate ACME Challenge requests (like /.well-known/acme-challenge/xxxxxxxxx)
+# We use ^~ here, so that we don't check other regexes (for speed-up). We actually MUST cancel
+# other regex checks, because in our other config files have regex rule that denies access to files with dotted names.
+location ^~ /.well-known/acme-challenge/ {
+
+    # Set correct content type. According to this:
+    # https://community.letsencrypt.org/t/using-the-webroot-domain-verification-method/1445/29
+    # Current specification requires "text/plain" or no content header at all.
+    # It seems that "text/plain" is a safe option.
+    default_type "text/plain";
+
+    # This directory must be the same as in /etc/letsencrypt/cli.ini
+    # as "webroot-path" parameter. Also don't forget to set "authenticator" parameter
+    # there to "webroot".
+    # Do NOT use alias, use root! Target directory is located here:
+    # /var/www/common/letsencrypt/.well-known/acme-challenge/
+    root         /var/www/letsencrypt;
+    autoindex on;
+}
+
+# Hide /acme-challenge subdirectory and return 404 on all requests.
+# It is somewhat more secure than letting Nginx return 403.
+# Ending slash is important!
+location = /.well-known/acme-challenge/ {
+    return 404;
+}

frontend/.docker/nginx/include.d/root.conf

@@ -1,16 +0,0 @@
-# X-Frame-Options is to prevent from clickJacking attack
-add_header X-Frame-Options SAMEORIGIN;
-
-# disable content-type sniffing on some browsers.
-add_header X-Content-Type-Options nosniff;
-
-# This header enables the Cross-site scripting (XSS) filter
-add_header X-XSS-Protection "1; mode=block";
-
-# This will enforce HTTP browsing into HTTPS and avoid ssl stripping attack
-add_header Strict-Transport-Security "max-age=31536000; includeSubdomains;";
-
-add_header Referrer-Policy "no-referrer-when-downgrade";
-
-# Enables response header of "Vary: Accept-Encoding"
-gzip_vary on;

frontend/.docker/nginx/include.d/spa.conf

@@ -1,28 +1,16 @@
-listen 80;
-index index.html;
-root /var/www/public/;
+# X-Frame-Options is to prevent from clickJacking attack
+add_header X-Frame-Options SAMEORIGIN;
 
-location /{{ default .Env.FOLDER_BACKEND "api" }}/ {
-    proxy_pass {{ .Env.URL_BACKEND }};
-}
+# disable content-type sniffing on some browsers.
+add_header X-Content-Type-Options nosniff;
 
-location /socket.io/ {
-    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-    proxy_set_header Host $host;
-    proxy_pass {{ .Env.URL_BACKEND }}socket.io/;
-    proxy_http_version 1.1;
-    proxy_set_header Upgrade $http_upgrade;
-    proxy_set_header Connection "upgrade";    
-}
+# This header enables the Cross-site scripting (XSS) filter
+add_header X-XSS-Protection "1; mode=block";
 
-location / {
-    try_files $uri $uri/ /index.html;
-    include include.d/nocache.conf;
-}
+# This will enforce HTTP browsing into HTTPS and avoid ssl stripping attack
+add_header Strict-Transport-Security "max-age=31536000; includeSubdomains;";
 
-location /static {
-   alias /var/www/public/static/;
-   include include.d/allcache.conf;
-}
+add_header Referrer-Policy "no-referrer-when-downgrade";
 
-include include.d/root.conf;
+# Enables response header of "Vary: Accept-Encoding"
+gzip_vary on;

frontend/.docker/nginx/include.d/ssl.conf

@@ -0,0 +1,2 @@
+listen 443 ssl http2;
+listen [::]:443 ssl http2;

frontend/.docker/nginx/sites.d/backend.conf

@@ -0,0 +1,11 @@
+location / {
+    proxy_pass http://backend;
+    proxy_http_version 1.1;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Connection 'upgrade';
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_cache_bypass $http_upgrade;
+}

frontend/.docker/nginx/sites.d/frontend.conf

@@ -0,0 +1,11 @@
+location / {
+    try_files $uri $uri/ /index.html;
+    include include.d/nocache.conf;
+}
+
+location /static {
+   alias /var/www/public/static/;
+   include include.d/allcache.conf;
+}
+
+include "include.d/spa.conf";