fix pgbackrest not creating backup

Dockerfile

@@ -76,8 +76,8 @@ ARG POSTGRES_MAJOR_VERSION=16
 ARG POSTGIS_MAJOR_VERSION=3
 ARG POSTGIS_MINOR_RELEASE=4
 # https://packagecloud.io/timescale/timescaledb
-ARG TIMESCALE_VERSION=2-2.11.2
-ARG BUILD_TIMESCALE=false
+ARG TIMESCALE_VERSION=2
+ARG BUILD_TIMESCALE=true
 
 
 
@@ -107,10 +107,13 @@ RUN wget -qO- https://pgbackrest.org/pgbackrest.gpg | tee /etc/apt/trusted.gpg.d
     rm -rf /var/lib/apt/lists/*
 
 # Create necessary directories for pgBackRest
-RUN mkdir -p /etc/pgbackrest /var/log/pgbackrest /var/lib/pgbackrest
+RUN mkdir -p /etc/pgbackrest /var/log/pgbackrest /var/lib/pgbackrest /tmp/pgbackrest/
 
 # Set appropriate permissions for pgBackRest directories
 RUN chown -R postgres:postgres /etc/pgbackrest /var/log/pgbackrest /var/lib/pgbackrest
+RUN chmod 777 /tmp/pgbackrest/
+RUN touch /var/log/pgbackrest/postgres-stanza-create.log
+RUN chmod 777 /var/log/pgbackrest/postgres-stanza-create.log
 
 # Copy pgBackRest configuration file
 COPY ./pgbackrest/pgbackrest.conf /etc/pgbackrest/pgbackrest.conf
@@ -165,6 +168,14 @@ RUN echo 'root:' | chpasswd -e
 # Start the SSH service
 RUN service ssh start
 
+# Enable archive_mode in postgresql.conf
+# Enable archive_mode in postgresql.conf
+RUN set -eux \
+    && echo "archive_mode = on" >> /etc/postgresql/${POSTGRES_MAJOR_VERSION}/main/postgresql.conf \
+    && echo "archive_command = 'pgbackrest --stanza=postgres archive-push %p'" >> /etc/postgresql/${POSTGRES_MAJOR_VERSION}/main/postgresql.conf \
+    && echo "archive_timeout = 120s" >> /etc/postgresql/${POSTGRES_MAJOR_VERSION}/main/postgresql.conf
+
+
 # TODO a case insensitive match would be more robust
 RUN if [ "${BUILD_TIMESCALE}" = "true" ]; then \
         export DEBIAN_FRONTEND=noninteractive && \

pgbackrest/backup-script.sh

@@ -20,15 +20,11 @@ create_pgbackrest_dirs() {
     chmod 700 "$dir_path"
 }
 
-# Switch to postgres user to create directories and permissions
-su - postgres -c "
-    create_pgbackrest_dirs '$LOG_DIR'
-    create_pgbackrest_dirs '$TMP_DIR'
-    create_pgbackrest_dirs '$BACKUP_DIR'
-"
+# Create directories as root
+create_pgbackrest_dirs "$LOG_DIR"
+create_pgbackrest_dirs "$TMP_DIR"
+create_pgbackrest_dirs "$BACKUP_DIR"
 
-# Create a pgBackRest stanza as postgres user
+# Switch to postgres user to create pgBackRest stanza and run backup
 su - postgres -c "pgbackrest --stanza=postgres stanza-create"
-
-# Run pgBackRest backup as postgres user
 su - postgres -c "pgbackrest --stanza=postgres backup"

pgbackrest/pgbackrest.conf

@@ -4,7 +4,6 @@ repo1-retention-full=2
 backup-user=root
 
 [postgres]
-pg1-host=postgres
-pg1-path=/var/lib/postgresql/data
+pg1-path=/var/lib/postgresql/16/main
 pg1-user=postgres
 pg1-port=5432