diff --git a/Dockerfile b/Dockerfile
index 4fdc622..2727ca1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,34 @@
-FROM drogonframework/drogon-arm AS installer
+FROM ubuntu:18.04
 
-ENV CORE_ROOT=$IROOT/core
+RUN apt-get update -yqq \
+    && apt-get install -yqq --no-install-recommends software-properties-common \
+    sudo curl wget cmake locales git gcc-8 g++-8 \
+    openssl libssl-dev libjsoncpp-dev uuid-dev zlib1g-dev \
+    postgresql-server-dev-all libmariadbclient-dev libsqlite3-dev \
+    && rm -rf /var/lib/apt/lists/* \
+    && locale-gen en_US.UTF-8 \
+    && cd /opt/ \
+    && wget -qO- https://repo1.maven.org/maven2/org/flywaydb/flyway-commandline/6.0.0/flyway-commandline-6.0.0-linux-x64.tar.gz | tar xvz \
+    && sudo ln -s /opt/flyway-6.0.0/flyway /usr/local/bin
+
+ENV LANG=en_US.UTF-8 \
+    LANGUAGE=en_US:en \
+    LC_ALL=en_US.UTF-8 \
+    CC=gcc-8 \
+    CXX=g++-8 \
+    AR=gcc-ar-8 \
+    RANLIB=gcc-ranlib-8 \
+    IROOT=/install
+
+ENV DROGON_ROOT=$IROOT/drogon \
+    CORE_ROOT=$IROOT/core
+
+ADD https://api.github.com/repos/an-tao/drogon/git/refs/heads/master $IROOT/version.json
+RUN git clone https://github.com/an-tao/drogon $DROGON_ROOT
+
+WORKDIR $DROGON_ROOT
+
+RUN ./build.sh
 
 COPY . $CORE_ROOT
 
@@ -8,9 +36,6 @@ WORKDIR $CORE_ROOT
 
 RUN ./build.sh
 
-FROM drogonframework/drogon-arm
-
-COPY --from=installer /bin/core /bin/core
-
+WORKDIR /srv/core
 EXPOSE 5000
-ENTRYPOINT ["core"]
+ENTRYPOINT ["./core"]
diff --git a/build.sh b/build.sh
index d0dc97a..2f29055 100755
--- a/build.sh
+++ b/build.sh
@@ -31,5 +31,6 @@ fi
 
 cp core /bin/
 
-mkdir /srv/core
+mkdir /srv/core/
 cp config.json /srv/core
+cp core /srv/core/
diff --git a/config.cc b/config.cc
index 9b8fd7b..1ac905b 100644
--- a/config.cc
+++ b/config.cc
@@ -2,10 +2,12 @@
 
 namespace config
 {
-    int discover_max_client_backlog = 20;
+    char version[] = "0.0.1";
+
+    uint16_t discover_max_client_backlog = 20;
     uint16_t discover_port_dev = 4420;
     uint16_t discover_port = 4419;
-    int discover_timeout_ms = 2000;
+    uint16_t discover_timeout_ms = 2000;
     uint8_t discover_code_accept = 0;
     uint8_t discover_code_reject = 100;
 
diff --git a/config.h b/config.h
index d7ea5c8..49102cd 100644
--- a/config.h
+++ b/config.h
@@ -5,10 +5,12 @@
 
 namespace config
 {
-    extern int discover_max_client_backlog;
+    extern char version[];
+
+    extern uint16_t discover_max_client_backlog;
     extern uint16_t discover_port_dev;
     extern uint16_t discover_port;
-    extern int discover_timeout_ms;
+    extern uint16_t discover_timeout_ms;
     extern uint8_t discover_code_accept;
     extern uint8_t discover_code_reject;
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 3f1d89e..8f75c99 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,11 +2,6 @@ version: '3.2'
 volumes:
   v-core-data:
 services:
-  drogon-arm:
-    image: drogonframework/drogon-arm
-    build:
-      context: .
-      dockerfile: Dockerfile.drogon
   core:
     image: registry.gitlab.com/emgauwa/core
     build: 
diff --git a/main.cc b/main.cc
index c61f0ea..522b52b 100644
--- a/main.cc
+++ b/main.cc
@@ -5,6 +5,7 @@
 #include <csignal>
 
 #include "globals.h"
+#include "config.h"
 
 static void
 terminate(int signum)
@@ -45,6 +46,9 @@ main()
     //drogon::app().getLoop()->runEvery(1, &test);
 
     //Run HTTP framework,the method will block in the internal event loop
+
+    LOG_INFO << "Starting Emgauwa Core (" << config::version << ")";
+
     drogon::app().run();
     return 0;
 }