chore: (Docker) Removing upstream clone and unneeded dependencies (#205)

Currently, Dockerfile always cloning repository with master branch.
so, it always build of master. and, difficult to configure a proper
Docker CD environment

Therefore, makes to build Dockerfile by copying current directories
without doing clone. according to this change, remove unneeded
dependencies.

Dockerfile

@@ -23,13 +23,10 @@ RUN apt-get update
 RUN apt-get install --assume-yes --no-install-recommends --no-install-suggests \
   bison \
   build-essential \
-  ca-certificates \
   flex \
-  git \
-  postgresql-plpython3-11 \
   postgresql-server-dev-11 
 
-RUN git clone https://github.com/apache/incubator-age /age 
+COPY . /age 
 RUN cd /age && make install 
 
 COPY docker-entrypoint-initdb.d/00-create-extension-age.sql /docker-entrypoint-initdb.d/00-create-extension-age.sql