move postgres files to persistent directory + create directories at runtime, not buildtime

Dockerfile

@@ -8,13 +8,6 @@ RUN apk update && apk add --no-cache \
     postgresql \
     postgresql-contrib
 
-# Create postgres user and data directory with proper permissions
-RUN echo "Creating postgres user and data directory..."
-RUN mkdir -p /var/lib/postgresql/data /run/postgresql && \
-    chown -R postgres:postgres /var/lib/postgresql/data /run/postgresql && \
-    chmod 0700 /var/lib/postgresql/data && \
-    chmod 0755 /run/postgresql
-
 # Set up environment variables
 RUN echo "Setting up environment variables..."
 ENV DATABASE_URL=postgresql://postgres:postgres@localhost:5432/postgres
@@ -23,22 +16,36 @@ ENV SALT=mysalt
 ENV ENCRYPTION_KEY=0000000000000000000000000000000000000000000000000000000000000000
 ENV NEXTAUTH_URL=http://localhost:3000
 
-# Simplified wrapper script running everything as root
+# Simplified wrapper script using /data for persistence
 RUN echo "Creating wrapper script..."
 COPY <<EOF /docker-entrypoint-wrapper.sh
 #!/bin/sh
 
-# Initialize PostgreSQL
-initdb -D /var/lib/postgresql/data
-pg_ctl -D /var/lib/postgresql/data -l /var/log/postgresql/postgresql.log -o '-c listen_addresses=*' start
-createdb -U postgres postgres || true
+# Create necessary directories in the persistent /data volume
+mkdir -p /data/postgresql/data /data/postgresql/run
+chmod 0700 /data/postgresql/data
+chmod 0755 /data/postgresql/run
+
+# Initialize PostgreSQL if not already initialized
+if [ ! -f "/data/postgresql/data/PG_VERSION" ]; then
+    initdb -D /data/postgresql/data
+fi
+
+# Start PostgreSQL with the persistent directories
+pg_ctl -D /data/postgresql/data -o "-c listen_addresses='*' -c unix_socket_directories='/data/postgresql/run'" start
+
+# Create database if it doesn't exist
+createdb -h /data/postgresql/run -U postgres postgres || true
 
 # Wait for PostgreSQL to be ready
-until pg_isready; do
+until pg_isready -h /data/postgresql/run; do
   echo "Waiting for PostgreSQL to be ready..."
   sleep 1
 done
 
+# Update DATABASE_URL to use the correct socket directory
+export DATABASE_URL="postgresql://postgres:postgres@%2Fdata%2Fpostgresql%2Frun:5432/postgres"
+
 # Run the original entrypoint script
 ./web/entrypoint.sh node ./web/server.js --keepAliveTimeout 110000
 EOF