Added basic (very) test support; updated everything

Author: ironhalik

.github/workflows/main.yml

@@ -10,11 +10,11 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
-
+        uses: actions/checkout@v3
       - name: Build
         run: docker build --tag tivix/docker-nginx .
-
+      - name: Check
+        run: docker-compose run proxy test
       - name: Push
         run: |
           echo "${{ secrets.DOCKER_HUB_PASS }}" | docker login -u ${{ secrets.DOCKER_HUB_USER }} --password-stdin

Dockerfile

@@ -1,16 +1,15 @@
-FROM alpine:3.12
+FROM alpine:3.17
 
 RUN apk add --no-cache\
-    nginx~=1.18 \
-    py3-pip \
-    curl \
-    openssl &&\
+    'nginx~=1.22' \
+    'py3-pip~=22.3.1' &&\
     pip3 install --no-cache-dir \
     j2cli==0.3.10 \
-    boto3==1.12.26 &&\
-    curl -o /usr/local/bin/waitforit -sSL https://github.com/maxcnunes/waitforit/releases/download/v2.4.1/waitforit-linux_amd64 && \
+    boto3==1.26.114 &&\
+    wget -q "https://github.com/maxcnunes/waitforit/releases/download/v2.4.1/waitforit-linux_amd64" -O /usr/local/bin/waitforit &&\
     chmod +x /usr/local/bin/waitforit &&\
-    rm -rf /etc/nginx/nginx.conf /etc/nginx/conf.d/*
+    rm -rf /etc/nginx/nginx.conf /etc/nginx/conf.d/* &&\
+    mkdir -p /etc/nginx/conf.d/
 
 COPY ./ /code/
 COPY docker-entrypoint.sh aws_sm /usr/local/bin/

docker-compose.yml

@@ -32,6 +32,9 @@ services:
       - CSP_OBJECT_SRC=object-src.com
       - CSP_MEDIA_SRC=media-src.com
       - CSP_FRAME_SRC=frame-src.com
+    depends_on:
+      - service_a
+      - service_b
 
   service_a:
     image: containous/whoami

docker-entrypoint.sh

@@ -3,7 +3,7 @@
 mkdir -p /run/nginx/
 rm -rf /run/nginx/nginx.pid
 
-if [ ${#} -eq 0 ]; then
+if [ "${#}" -eq 0 ] || [ "${1}" == "test" ]; then
   echo "Starting docker-nginx"
 
   j2 --undefined /code/templates/nginx.conf.j2 > /etc/nginx/nginx.conf
@@ -38,8 +38,13 @@ if [ ${#} -eq 0 ]; then
       cat ${i}
     done
   fi
-  echo "Starting nginx"
-  exec nginx -g 'daemon off;'
+  
+  if [ "${1}" == "test" ]; then
+    nginx -t
+  else
+    echo "Starting nginx"
+    exec nginx -g 'daemon off;'
+  fi
 else
   exec "${@}"
 fi