Create custom dockerfile

postgres/Dockerfile

@@ -0,0 +1,20 @@
+FROM postgres:12.1
+WORKDIR /app
+
+ENV PGHOST=localhost
+ENV PGDATABASE=kata
+ENV PGPASSWORD=admin
+ENV PGUSER=postgres
+ENV POSTGRES_PASSWORD=admin
+ENV PGDATA /var/lib/postgresql/data_local
+
+RUN mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA"
+
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends ca-certificates wget \
+ && rm -rf /var/lib/apt/lists/*
+
+ADD ./*.sh /app/
+ADD ./*.sql /app/
+RUN chmod +x ./*.sh \
+ && ./initializeDocker.sh