fix(Dockerfile): invalid syntax

Dockerfile

@@ -3,12 +3,12 @@ FROM python:3.6.8-stretch
 MAINTAINER 2du <min08101@naver.com>
 MAINTAINER hoparkgo9ma <me@ho9.me>
 
-ENV NAMU_DB = data
-ENV NAMU_HOST = 0.0.0.0
-ENV NAMU_PORT = 3000
-ENV NAMU_LANG = en-US
-ENV NAMU_MARKUP = namumark
-ENV NAMU_ENCRYPT = sha3
+ENV NAMU_DB data
+ENV NAMU_HOST 0.0.0.0
+ENV NAMU_PORT 3000
+ENV NAMU_LANG en-US
+ENV NAMU_MARKUP namumark
+ENV NAMU_ENCRYPT sha3
 
 ADD . /app
 WORKDIR /app

Dockerfile.arm32v7

@@ -3,12 +3,12 @@ FROM arm32v7/python:3.6.8-stretch
 MAINTAINER 2du <min08101@naver.com>
 MAINTAINER hoparkgo9ma <me@ho9.me>
 
-ENV NAMU_DB = data
-ENV NAMU_HOST = 0.0.0.0
-ENV NAMU_PORT = 3000
-ENV NAMU_LANG = en-US
-ENV NAMU_MARKUP = namumark
-ENV NAMU_ENCRYPT = sha3
+ENV NAMU_DB data
+ENV NAMU_HOST 0.0.0.0
+ENV NAMU_PORT 3000
+ENV NAMU_LANG en-US
+ENV NAMU_MARKUP namumark
+ENV NAMU_ENCRYPT sha3
 
 ADD . /app
 WORKDIR /app

Dockerfile.arm64v8

@@ -3,12 +3,12 @@ FROM arm64v8/python:3.6.8-stretch
 MAINTAINER 2du <min08101@naver.com>
 MAINTAINER hoparkgo9ma <me@ho9.me>
 
-ENV NAMU_DB = data
-ENV NAMU_HOST = 0.0.0.0
-ENV NAMU_PORT = 3000
-ENV NAMU_LANG = en-US
-ENV NAMU_MARKUP = namumark
-ENV NAMU_ENCRYPT = sha3
+ENV NAMU_DB data
+ENV NAMU_HOST 0.0.0.0
+ENV NAMU_PORT 3000
+ENV NAMU_LANG en-US
+ENV NAMU_MARKUP namumark
+ENV NAMU_ENCRYPT sha3
 
 ADD . /app
 WORKDIR /app