Initial commit

backend/postgres/.env.example

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+# PostgreSQL root user
+POSTGRES_USER=
+POSTGRES_PASSWORD_FILE=/run/secrets/YOUR_SECRET_PASS
+
+# Timezone settings
+TZ=
+PGTZ=
+
+# PostgreSQL settings
+POSTGRES_INITDB_ARGS=--data-checksums
+PGDATA=/var/lib/postgresql/18/docker

backend/postgres/compose.yml

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+services:
+  postgres:
+    image: postgres:18
+    container_name: postgres
+    restart: always
+    healthcheck:
+      interval: 30s
+      retries: 5
+      start_period: 20s
+      test:
+      - CMD-SHELL
+      - pg_isready -U $${POSTGRES_USER}
+      timeout: 5s
+    env_file:
+      - .env
+    secrets:
+      - PGROOT_PASS
+      # - PSUSER_PASS
+    volumes:
+      - pgdata:/var/lib/postgresql/18/docker
+    networks:
+      - db
+volumes:
+  pgdata:
+    name: pgdata
+secrets:
+  PGROOT_PASS:
+    file: .secrets/PGROOT_PASS
+  # PSUSER_PASS:
+  #   file: .secrets/PSUSER_PASS
+networks:
+  db:
+    external:
+      true

backend/postgres/scripts/create-db.sh

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+#!/bin/bash
+
+# Prompt for container name
+read -p "Enter PostgreSQL container name: " CONTAINER_NAME
+
+# Check if container is running
+if [ "$(docker ps -q -f name=$CONTAINER_NAME)" = "" ]; then
+    echo "Container $CONTAINER_NAME is not running!"
+    exit 1
+fi
+echo "Using container: $CONTAINER_NAME"
+
+# Prompt for PostgreSQL root credentials
+read -p "Enter PostgreSQL root username: " PGROOT_USER
+
+# Prompt for database name
+read -p "Enter new PostgreSQL database name: " DB_NAME
+
+# Check if database exists
+DB_EXISTS=$(docker exec $CONTAINER_NAME psql -U $PGROOT_USER -tAc "SELECT 1 FROM pg_database WHERE datname='$DB_NAME'")
+if [ "$DB_EXISTS" = "1" ]; then
+    echo "Database $DB_NAME already exists!"
+    exit 1
+fi
+
+# Create the database using docker exec and psql
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -c "CREATE DATABASE $DB_NAME;"
+echo "Database $DB_NAME has been created successfully."

backend/postgres/scripts/create-user.sh

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+#!/bin/bash
+
+# Prompt for container name
+read -p "Enter PostgreSQL container name: " CONTAINER_NAME
+
+# Check if container is running
+if [ "$(docker ps -q -f name=$CONTAINER_NAME)" = "" ]; then
+    echo "Container $CONTAINER_NAME is not running!"
+    exit 1
+fi
+echo "Using container: $CONTAINER_NAME"
+
+# Prompt for PostgreSQL root credentials
+read -p "Enter PostgreSQL root username: " PGROOT_USER
+
+# Prompt for username and password
+read -p "Enter new PostgreSQL username: " DB_USER
+
+# Check if username is provided
+if [[ -z "$DB_USER" ]]; then
+    echo "Error: Username cannot be empty!" >&2
+    exit 1
+fi
+
+# Check if user already exists in PostgreSQL
+if docker exec $CONTAINER_NAME psql -U $PGROOT_USER -tAc "SELECT 1 FROM pg_catalog.pg_roles WHERE rolname='$DB_USER'" | grep -q 1; then
+    echo "Error: User '$DB_USER' already exists in PostgreSQL!" >&2
+    exit 1
+fi
+
+echo "User '$DB_USER' does not exist. Proceeding..."
+read -s -p "Enter password for $DB_USER: " DB_PASS
+echo
+read -s -p "Confirm password for $DB_USER: " DB_PASS_CONFIRM
+echo
+
+# Check if passwords match
+if [ "$DB_PASS" != "$DB_PASS_CONFIRM" ]; then
+    echo "Passwords do not match!"
+    exit 1
+fi
+
+# Create the user using docker exec and psql
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -c "CREATE USER $DB_USER WITH PASSWORD '$DB_PASS';"
+
+echo "User $DB_USER has been created successfully."

backend/postgres/scripts/drop-user.sh

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+#!/bin/bash
+set -e
+
+# Prompt for container name
+read -p "Enter PostgreSQL container name: " CONTAINER_NAME
+
+# Check if username is provided
+if [[ -z "$CONTAINER_NAME" ]]; then
+    echo "Error: Container cannot be empty!" >&2
+    exit 1
+fi
+
+# Check if container is running
+if [ "$(docker ps -q -f name=$CONTAINER_NAME)" = "" ]; then
+    echo "Container $CONTAINER_NAME is not running!"
+    exit 1
+fi
+
+echo "Using container: $CONTAINER_NAME"
+
+# Prompt for PostgreSQL root credentials
+read -p "Enter PostgreSQL root username: " PGROOT_USER
+
+# Prompt for username to drop
+read -p "Enter PostgreSQL username to drop: " DB_USER
+
+# Check if username is provided
+if [[ -z "$DB_USER" ]]; then
+    echo "Error: Username cannot be empty!" >&2
+    exit 1
+fi
+# Check if user exists in PostgreSQL
+USER_EXISTS=$(docker exec "$CONTAINER_NAME" psql -U "$PGROOT_USER" -tAc "SELECT 1 FROM pg_roles WHERE rolname='$DB_USER';")
+if [[ "$USER_EXISTS" != "1" ]]; then
+    echo "Error: User '$DB_USER' does not exist in PostgreSQL!" >&2
+    exit 1
+fi
+
+# # Check if user exists in PostgreSQL
+# if ! docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $CONTAINER_NAME -tAc "SELECT 1 FROM pg_catalog.pg_roles WHERE rolname='$DB_USER'" | grep -q 1; then
+#     echo "Error: User '$DB_USER' does not exist in PostgreSQL!" >&2
+#     exit 1
+# fi
+
+echo "User '$DB_USER' exists."
+
+# Get all databases (not just those with CONNECT privilege)
+echo "Checking databases..."
+ALL_DATABASES=$(docker exec $CONTAINER_NAME psql -U "$PGROOT_USER" -tAc "
+SELECT datname
+FROM pg_database
+WHERE datname NOT IN ('template0', 'template1')
+  AND datallowconn = true;
+")
+
+# Check for database privileges
+echo "Checking privileges for user '$DB_USER'..."
+DATABASES=$(docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $CONTAINER_NAME -tAc "
+SELECT datname
+FROM pg_database d
+WHERE has_database_privilege('$DB_USER', d.oid, 'CONNECT')
+  AND datname NOT IN ('template0', 'template1');
+")
+
+if [[ -n "$DATABASES" && "$DATABASES" != "" ]]; then
+    echo "WARNING: User '$DB_USER' has privileges on the following database(s):"
+    echo "$DATABASES"
+    echo ""
+    read -p "Do you want to proceed with removing this user? (yes/no): " CONFIRM
+    
+    if [[ "$CONFIRM" != "yes" ]]; then
+        echo "Operation cancelled."
+        exit 0
+    fi
+    
+    # Revoke privileges from each database
+    echo "Revoking privileges from databases..."
+    while IFS= read -r DB_NAME; do
+        if [[ -n "$DB_NAME" ]]; then
+            echo "  - Revoking privileges on database: $DB_NAME"
+            docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $CONTAINER_NAME -c "REVOKE ALL PRIVILEGES ON DATABASE \"$DB_NAME\" FROM \"$DB_USER\";"
+            
+            # Revoke privileges on all tables, sequences, and functions in public schema
+            docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d "$DB_NAME" -c "REVOKE ALL PRIVILEGES ON ALL TABLES IN SCHEMA public FROM \"$DB_USER\";"
+            docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d "$DB_NAME" -c "REVOKE ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public FROM \"$DB_USER\";"
+            docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d "$DB_NAME" -c "REVOKE ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA public FROM \"$DB_USER\";"
+            docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d "$DB_NAME" -c "REVOKE ALL PRIVILEGES ON SCHEMA public FROM \"$DB_USER\";"
+        fi
+    done <<< "$DATABASES"
+    
+    echo "Privileges revoked successfully."
+else
+    echo "User '$DB_USER' has no database privileges."
+fi
+
+# Reassign and drop owned objects in each database
+echo "Reassigning and dropping owned objects in all databases..."
+while IFS= read -r DB_NAME; do
+    if [[ -n "$DB_NAME" ]]; then
+        echo "  - Processing database: $DB_NAME"
+        docker exec $CONTAINER_NAME psql -U "$PGROOT_USER" -d "$DB_NAME" -c "REASSIGN OWNED BY \"$DB_USER\" TO \"$PGROOT_USER\";" 2>/dev/null
+        docker exec $CONTAINER_NAME psql -U "$PGROOT_USER" -d "$DB_NAME" -c "DROP OWNED BY \"$DB_USER\";" 2>/dev/null
+    fi
+done <<< "$ALL_DATABASES"
+
+# Drop the user using docker exec and psql
+echo "Dropping user '$DB_USER'..."
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $CONTAINER_NAME -c "DROP USER \"$DB_USER\";"
+
+echo "User $DB_USER has been dropped successfully."

backend/postgres/scripts/grant-prvlgs.sh

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+#!/bin/bash
+
+# Prompt for container name
+read -p "Enter PostgreSQL container name: " CONTAINER_NAME
+
+# Check if container is running
+if [ "$(docker ps -q -f name=$CONTAINER_NAME)" = "" ]; then
+    echo "Container $CONTAINER_NAME is not running!"
+    exit 1
+fi
+echo "Using container: $CONTAINER_NAME"
+
+# Prompt for PostgreSQL root credentials
+read -p "Enter PostgreSQL root username: " PGROOT_USER
+
+# Prompt for username and database name
+read -p "Enter PostgreSQL username to grant privileges: " USERNAME
+read -p "Enter PostgreSQL database name will be granted on: " DB_NAME
+
+# Check if inputs are not empty
+if [ -z "$USERNAME" ] || [ -z "$DB_NAME" ]; then
+    echo "Error: Username and database name cannot be empty"
+    exit 1
+fi
+
+# Grant all privileges
+echo "Granting all privileges on $DB_NAME to $USERNAME..."
+
+# Grant database privileges
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -c "GRANT CONNECT ON DATABASE $DB_NAME TO $USERNAME;"
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -c "ALTER DATABASE $DB_NAME OWNER TO $USERNAME;"
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -c "ALTER USER $USERNAME CREATEDB;"
+
+# Connect to the specific database and grant schema privileges
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $DB_NAME -c "GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO $USERNAME;"
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $DB_NAME -c "GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public TO $USERNAME;"
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $DB_NAME -c "GRANT ALL PRIVILEGES ON SCHEMA public TO $USERNAME;"
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $DB_NAME -c "GRANT CREATE ON SCHEMA public TO $USERNAME;"
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $DB_NAME -c "GRANT CREATE ON DATABASE $DB_NAME TO $USERNAME;"
+
+# Grant default privileges for future tables and sequences
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $DB_NAME -c "ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON TABLES TO $USERNAME;"
+docker exec $CONTAINER_NAME psql -U $PGROOT_USER -d $DB_NAME -c "ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT ALL PRIVILEGES ON SEQUENCES TO $USERNAME;"
+
+if [ $? -eq 0 ]; then
+    echo "Successfully granted all privileges"
+else
+    echo "Error granting privileges"
+    exit 1
+fi

backend/redis/compose.yml

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+services:
+  redis:
+    command: --save 60 1 --loglevel warning
+    healthcheck:
+      interval: 30s
+      retries: 5
+      start_period: 20s
+      test:
+      - CMD-SHELL
+      - redis-cli ping | grep PONG
+      timeout: 3s
+    image: docker.io/library/redis:alpine
+    container_name: redis
+    restart: unless-stopped
+    env_file:
+      - .env
+    networks:
+      - db
+    volumes:
+    - redis_data:/data
+volumes:
+  redis_data:
+    name: redis_data
+networks:
+  db:
+    external: true