chore: Make docker-compose production ready (#6415)

- Use images instead of build
- Simplify docker-compose-dev.yml
- Remove ElasticSearch container
- Add logic for waiting for database
- Remove unused file

Author: iamareebjamal

Diff for: docker-compose-dev.yaml

@@ -0,0 +1,8 @@
+version: '3.5'
+
+services:
+  web:
+    build: .
+
+  celery:
+    build: .

Diff for: docker-compose-dev.yml

@@ -1,25 +1,20 @@
 version: '3.5'
 
 x-environment-vars: &environment-vars
+  POSTGRES_HOST: postgres
   DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@postgres:5432/${POSTGRES_DB}
-  ELASTICSEARCH_HOST: elastic:9200
   REDIS_URL: redis://redis:6379/0
   ADMIN_EMAIL: "@{ADMIN_EMAIL}"
   ADMIN_PASSWORD: "@{ADMIN_PASSWORD}"
 
 x-defaults: &defaults
-  build: .
+  image: eventyay/open-event-server
   restart: unless-stopped
   environment:
     <<: *environment-vars
   depends_on:
     - postgres
     - redis
-    - elastic
-  links:
-    - postgres:postgres
-    - redis:redis
-    - elastic:elastic
   volumes:
     - ./static:/data/app/static
 
@@ -44,18 +39,6 @@ services:
     volumes:
       - rd:/var/lib/redis/data
 
-  elastic:
-    image: elasticsearch:5.6.12-alpine
-    container_name: opev-elastic-search
-    restart: unless-stopped
-    environment:
-        - discovery.type=single-node
-    volumes:
-        - es:/usr/share/elasticsearch/data
-    ports:
-        - 9200:9200
-        - 9300:9300
-
   web:
     <<: *defaults
     container_name: opev-web
@@ -73,4 +56,3 @@ services:
 volumes:
     pg:
     rd:
-    es:

Diff for: docker-compose.yml

@@ -7,6 +7,7 @@ echo "[LOG] Using redis: ${REDIS_URL}"
 
 if [ "$DEPLOYMENT" == "api" ]
 then
+    echo "[LOG] Waiting for Database" && ./scripts/wait-for.sh ${POSTGRES_HOST}:5432 --timeout=60 -- echo "[LOG] Database Up"
     echo "[LOG] Preparing database"
     python manage.py prepare_kubernetes_db
     echo "[LOG] Running migrations"

Diff for: postgres-initdb.d/create_db.sql

@@ -0,0 +1,79 @@
+#!/bin/sh
+
+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 "$PORT" = "" ]; then
+  echoerr "Error: you need to provide a host and port to test."
+  usage 2
+fi
+
+wait_for "$@"