Revert "Upgrade postgres"

This reverts commit 97414993dc.

Generated/postgres/migrate-docker-entrypoint.sh

@@ -1,50 +0,0 @@
-#!/usr/bin/env bash
-set -Eeo pipefail
-shopt -s extglob
-
-CURRENT_PGVERSION=""
-EXPECTED_PGVERSION="$PG_MAJOR"
-if [[ -f "/var/lib/postgresql/data/PG_VERSION" ]]; then
-    CURRENT_PGVERSION="$(cat /var/lib/postgresql/data/PG_VERSION)"
-fi
-
-if [[ "$CURRENT_PGVERSION" != "$EXPECTED_PGVERSION" ]] && \
-   [[ "$CURRENT_PGVERSION" != "" ]]; then
-   sed -i "s/$/ $CURRENT_PGVERSION/" /etc/apt/sources.list.d/pgdg.list
-   apt-get update && apt-get install -y --no-install-recommends \
-		postgresql-$CURRENT_PGVERSION \
-		postgresql-contrib-$CURRENT_PGVERSION \
-	&& rm -rf /var/lib/apt/lists/*
-
-    export PGBINOLD="/usr/lib/postgresql/$CURRENT_PGVERSION/bin"
-    export PGDATABASE="/var/lib/postgresql/data"
-    export PGDATAOLD="/var/lib/postgresql/data/$CURRENT_PGVERSION"
-    export PGDATANEW="/var/lib/postgresql/data/$EXPECTED_PGVERSION"
-
-    mkdir -p "$PGDATANEW" "$PGDATAOLD"
-    find "$PGDATABASE" -maxdepth 1 -mindepth 1 \
-                      -not -wholename "$PGDATAOLD" \
-                      -not -wholename "$PGDATANEW" \
-                      -exec mv {} "$PGDATAOLD/" \;
-    
-    chmod 700 "$PGDATAOLD" "$PGDATANEW"
-    chown postgres .
-	chown -R postgres "$PGDATAOLD" "$PGDATANEW" "$PGDATABASE"
-	if [ ! -s "$PGDATANEW/PG_VERSION" ]; then
-		PGDATA="$PGDATANEW" eval "gosu postgres initdb $POSTGRES_INITDB_ARGS"
-	fi
-
-    gosu postgres pg_upgrade
-    rm $PGDATANEW/*.conf
-    mv $PGDATANEW/* "$PGDATABASE"
-    mv $PGDATAOLD/*.conf "$PGDATABASE"
-    rm -r "$PGDATANEW"
-    ./delete_old_cluster.sh
-    rm ./analyze_new_cluster.sh
-fi
-
-if [ -f "docker-entrypoint.sh" ]; then
-    exec ./docker-entrypoint.sh  "$@"
-else
-    exec docker-entrypoint.sh  "$@"
-fi

docker-compose-generator/docker-fragments/postgres.yml

@@ -3,14 +3,11 @@ version: "3"
 services:
   postgres:
     restart: unless-stopped
-    image: postgres:13.4
+    image: postgres:9.6.20
-    entrypoint: ./migrate-docker-entrypoint.sh
-    command: postgres
     environment:
       POSTGRES_HOST_AUTH_METHOD: trust
     volumes:
       - "postgres_datadir:/var/lib/postgresql/data"
-      - "./postgres/migrate-docker-entrypoint.sh:/migrate-docker-entrypoint.sh:ro"
 
 volumes:
   postgres_datadir: