Remove custom entrypoint

Karrot can now read _FILE config values natively

abra.sh

@@ -1,3 +1,2 @@
 export NGINX_CONFIG_VERSION=v23
 export GEOIP_CONFIG_VERSION=v1
-export ENTRYPOINT_VERSION=v3

compose.yml

@@ -44,10 +44,6 @@ services:
       - source: geoip_conf
         target: /etc/GeoIP.conf
         mode: 0555
-      - source: entrypoint
-        target: /custom-entrypoint.sh
-        mode: 0555
-    entrypoint: /custom-entrypoint.sh
     secrets:
       - db_password
       - secret_key
@@ -122,11 +118,6 @@ services:
     volumes:
       - "shiv_data:/root/.shiv"
       - "geoip_data:/var/lib/GeoIP"
-    configs:
-      - source: entrypoint
-        target: /custom-entrypoint.sh
-        mode: 0555
-    entrypoint: /custom-entrypoint.sh
     networks:
       - internal
     secrets:
@@ -219,9 +210,6 @@ configs:
     name: ${STACK_NAME}_geoip_conf_${GEOIP_CONFIG_VERSION}
     file: geoip.conf.tmpl
     template_driver: golang
-  entrypoint:
-    name: ${STACK_NAME}_entrypoint_${ENTRYPOINT_VERSION}
-    file: entrypoint.sh
 
 secrets:
   db_password:

entrypoint.sh

@@ -1,32 +0,0 @@
-#!/bin/bash
-
-set -e
-
-file_env() {
-  local var="$1"
-  local fileVar="${var}_FILE"
-  local def="${2:-}"
-
-  if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
-    echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
-    exit 1
-  fi
-
-  local val="$def"
-
-  if [ "${!var:-}" ]; then
-    val="${!var}"
-  elif [ "${!fileVar:-}" ]; then
-    val="$(< "${!fileVar}")"
-  fi
-
-  export "$var"="$val"
-  unset "$fileVar"
-}
-
-file_env DATABASE_PASSWORD
-file_env SECRET_KEY
-file_env SMTP_PASSWORD
-file_env VAPID_PRIVATE_KEY
-
-/docker-entrypoint.sh