Update Dockerfile

Dockerfile

@@ -2,10 +2,6 @@ FROM centos/postgresql-95-centos7 as pg
 
 LABEL maintainer="David Bitner / Remi Cresson"
 
-ENV POSTGIS_MAJOR 3
-ENV PGUSER postgres
-ENV PGDATABASE postgres
-ENV PGHOST localhost
 ENV \
     PYTHONUNBUFFERED=1 \
     PYTHONFAULTHANDLER=1 \
@@ -17,14 +13,6 @@ USER root
 RUN \
     yum install -y \
         git \
-        gnupg \
-        apt-transport-https \
-        debian-archive-keyring \
-        software-properties-common \
-        postgresql-$PG_MAJOR-pgtap \
-        postgresql-$PG_MAJOR-partman \
-        postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR \
-        postgresql-$PG_MAJOR-postgis-$POSTGIS_MAJOR-scripts \
         build-essential \
         python3 \
         python3-pip \
@@ -33,15 +21,11 @@ RUN pip3 install -U pip setuptools packaging \
     && pip3 install -U psycopg2-binary \
     && pip3 install -U psycopg[binary] \
     && pip3 install -U migra[pg] \
-    && yum remove -y apt-transport-https \
     && yum -y autoremove \
     && rm -rf /var/lib/apt/lists/*
 
 EXPOSE 5432
 
-RUN mkdir -p /docker-entrypoint-initdb.d
-RUN echo "#!/bin/bash \n unset PGHOST \n pypgstac migrate" >/docker-entrypoint-initdb.d/initpgstac.sh && chmod +x /docker-entrypoint-initdb.d/initpgstac.sh
-
 RUN git clone https://github.com/stac-utils/pgstac \
     && cd pgstac/pypgstac \
     && sed -i 's/python_requires=">=3.7"/python_requires=">=3.6"/g' setup.py \
@@ -51,9 +35,6 @@ RUN git clone https://github.com/stac-utils/pgstac \
     
 ENV POSTGRESQL_USER=username
 ENV POSTGRESQL_PASSWORD=password
-ENV POSTGRESQL_DB=postgis
-ENV PGUSER=username
-ENV PGPASSWORD=password
-ENV PGHOST=localhost
-ENV PGDATABASE=postgis
-USER 1001
+ENV POSTGRESQL_DATABASE=postgis
+
+USER postgres