Add exposed port env

Author: ebrahimmfadae

.github/workflows/dev.yml

@@ -13,12 +13,17 @@ jobs:
       - name: Checkout Source Code
         uses: actions/checkout@v2
       - name: Build Docker images
-        run: TAG=dev docker-compose build
+        env:
+          TAG: dev
+          EXPOSED_PORT: 8443
+        run: docker-compose build
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Push images to GitHub Container Registry
-        run: TAG=dev docker-compose push
+        env:
+          TAG: dev
+        run: docker-compose push

.github/workflows/main.yml

@@ -13,12 +13,17 @@ jobs:
       - name: Checkout Source Code
         uses: actions/checkout@v2
       - name: Build Docker images
-        run: TAG=latest docker-compose build
+        env:
+          TAG: latest
+          EXPOSED_PORT: 443
+        run: docker-compose build
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Push images to GitHub Container Registry
-        run: TAG=latest docker-compose push
+        env:
+          TAG: latest
+        run: docker-compose push

.gitignore

@@ -4,4 +4,7 @@
 # Certificate
 *.pem
 *.crt
-*.der
+*.der
+
+# Misc
+.env

Dockerfile

@@ -1,3 +1,6 @@
 FROM nginx:1.20.2
-ADD nginx.conf /etc/nginx/
-EXPOSE 443
+COPY nginx.conf /etc/nginx/
+ARG EXPOSED_PORT=443
+ENV EXPOSED_PORT $EXPOSED_PORT
+RUN envsubst '\$EXPOSED_PORT' < /etc/nginx/nginx.conf | tee /etc/nginx/nginx.conf
+EXPOSE 443

docker-compose.yml

@@ -2,4 +2,7 @@ version: '3.8'
 services:
   nginx:
     image: ghcr.io/opexdev/nginx:$TAG
-    build: .
+    build:
+      context: .
+      args:
+        - EXPOSED_PORT=$EXPOSED_PORT

nginx.conf

@@ -76,7 +76,7 @@ http {
     proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header   X-Forwarded-Proto $scheme;
     proxy_set_header   X-Forwarded-Host $server_name;
-    proxy_set_header   X-Forwarded-Port 8443;
+    proxy_set_header   X-Forwarded-Port $EXPOSED_PORT;
 
     server {
         listen 443 ssl;