Add docker-compose

Author: Md Abdul Munim

.gitignore

@@ -1,2 +1,3 @@
 .idea/
 node_modules/
+.env

Dockerfile

@@ -7,4 +7,3 @@ RUN apk add --no-cache bash
 WORKDIR $SERVICE_HOME
 COPY . .
 RUN npm ci --production
-CMD ["bash", "startup.sh"]

docker-compose.yaml

@@ -0,0 +1,45 @@
+version: '3.9'
+
+services:
+  build_image:
+    build: .
+    image: services/sns:${VERSION} # use your own image name e.g. rancher/my-app:{VERSION}
+  app_svc:
+    container_name: sns-service
+    image: services/sns:${VERSION}
+    depends_on: [build_image]
+    restart: unless-stopped
+    env_file: .env
+    environment:
+      - MONGO_USERNAME=$MONGO_USERNAME
+      - MONGO_PASSWORD=$MONGO_PASSWORD
+      - MONGO_HOSTNAME=mongo
+      - MONGO_PORT=$MONGO_PORT
+      - MONGO_DB=$MONGO_DB
+    ports:
+      - 8282:8282
+    networks:
+      - svc-network
+    command: scripts/wait-for.sh mongo:27017 -- bash scripts/startup.sh
+  
+  mongo:
+    container_name: mongo
+    image: mongo:4.1.8-xenial
+    restart: always
+    environment:
+      - MONGO_INITDB_ROOT_USERNAME=$MONGO_USERNAME
+      - MONGO_INITDB_ROOT_PASSWORD=$MONGO_PASSWORD
+      - MONGO_INITDB_DATABASE=$MONGO_DB
+    ports:
+      - 27020:27017
+    volumes:
+      - dbdata:/data/db
+    networks:
+      - svc-network
+
+networks:
+  svc-network:
+    driver: bridge
+
+volumes:
+  dbdata:

startup.sh renamed to scripts/startup.sh

@@ -0,0 +1,81 @@
+#!/bin/sh
+
+# original script: https://github.com/eficode/wait-for/blob/master/wait-for
+
+TIMEOUT=15
+QUIET=0
+
+echoerr() {
+  if [ "$QUIET" -ne 1 ]; then printf "%s\n" "$*" 1>&2; fi
+}
+
+usage() {
+  exitcode="$1"
+  cat << USAGE >&2
+Usage:
+  $cmdname host:port [-t timeout] [-- command args]
+  -q | --quiet                        Do not output any status messages
+  -t TIMEOUT | --timeout=timeout      Timeout in seconds, zero for no timeout
+  -- COMMAND ARGS                     Execute command with args after the test finishes
+USAGE
+  exit "$exitcode"
+}
+
+wait_for() {
+  for i in `seq $TIMEOUT` ; do
+    nc -z "$HOST" "$PORT" > /dev/null 2>&1
+
+    result=$?
+    if [ $result -eq 0 ] ; then
+      if [ $# -gt 0 ] ; then
+        exec "$@"
+      fi
+      exit 0
+    fi
+    sleep 1
+  done
+  echo "Operation timed out" >&2
+  exit 1
+}
+
+while [ $# -gt 0 ]
+do
+  case "$1" in
+    *:* )
+    HOST=$(printf "%s\n" "$1"| cut -d : -f 1)
+    PORT=$(printf "%s\n" "$1"| cut -d : -f 2)
+    shift 1
+    ;;
+    -q | --quiet)
+    QUIET=1
+    shift 1
+    ;;
+    -t)
+    TIMEOUT="$2"
+    if [ "$TIMEOUT" = "" ]; then break; fi
+    shift 2
+    ;;
+    --timeout=*)
+    TIMEOUT="${1#*=}"
+    shift 1
+    ;;
+    --)
+    shift
+    break
+    ;;
+    --help)
+    usage 0
+    ;;
+    *)
+    echoerr "Unknown argument: $1"
+    usage 1
+    ;;
+  esac
+done
+
+if [ "$HOST" = "" -o "$PORT" = "" ]; then
+  echoerr "Error: you need to provide a host and port to test."
+  usage 2
+fi
+
+wait_for "$@"

scripts/wait-for.sh

@@ -17,6 +17,7 @@ async function connectMongoDb() {
     reconnectTries: Number.MAX_VALUE,
     reconnectInterval: 500,
     connectTimeoutMS: 10000,
+    useUnifiedTopology: true,
   };
 
   try {