Fix remaining references to PostgreSQL 10

Dockerfile

@@ -10,8 +10,8 @@ ENV UPDATES=disabled
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
 # Install dependencies
-RUN apt-get update \ 
-  && apt-get install wget gnupg2 lsb-core -y \   
+RUN apt-get update \
+  && apt-get install wget gnupg2 lsb-core -y \
   && wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - \
   && echo "deb [ trusted=yes ] http://apt.postgresql.org/pub/repos/apt/ `lsb_release -cs`-pgdg main" | tee /etc/apt/sources.list.d/pgdg.list \
   && apt-get update \
@@ -151,12 +151,12 @@ RUN ln -sf /dev/stdout /var/log/apache2/access.log \
   && ln -sf /dev/stderr /var/log/apache2/error.log
 
 # Configure PosgtreSQL
-COPY postgresql.custom.conf.tmpl /etc/postgresql/10/main/
+COPY postgresql.custom.conf.tmpl /etc/postgresql/12/main/
 RUN chown -R postgres:postgres /var/lib/postgresql \
-  && chown postgres:postgres /etc/postgresql/10/main/postgresql.custom.conf.tmpl \
-  && echo "\ninclude 'postgresql.custom.conf'" >> /etc/postgresql/10/main/postgresql.conf
-RUN echo "host all all 0.0.0.0/0 md5" >> /etc/postgresql/10/main/pg_hba.conf \
-      && echo "host all all ::/0 md5" >> /etc/postgresql/10/main/pg_hba.conf
+  && chown postgres:postgres /etc/postgresql/12/main/postgresql.custom.conf.tmpl \
+  && echo "\ninclude 'postgresql.custom.conf'" >> /etc/postgresql/12/main/postgresql.conf
+RUN echo "host all all 0.0.0.0/0 md5" >> /etc/postgresql/12/main/pg_hba.conf \
+      && echo "host all all ::/0 md5" >> /etc/postgresql/12/main/pg_hba.conf
 
 # copy update scripts
 COPY openstreetmap-tiles-update-expire /usr/bin/