PostgreSQL Docker Container Image

Docker Images

❗For better reliability we release images with stability tags (wodby/postgres:16-X.X.X) which correspond to git tags. We strongly recommend using images only with stability tags.

Overview:

• All images based on Alpine Linux
• Base image: postgres
• GitHub actions builds
• Docker Hub

Supported tags and respective Dockerfile links:

• 17, latest (Dockerfile)
• 16 (Dockerfile)
• 15 (Dockerfile)
• 14 (Dockerfile)
• 13 (Dockerfile)

All images built for linux/amd64 and linux/arm64

Environment Variables

Variable	Default Value	Description
POSTGRES_CHECKPOINT_COMPLETION_TARGET	0.7
POSTGRES_CHECKPOINT_SEGMENTS	32	<=9.4
POSTGRES_DATESTYLE	iso, mdy
POSTGRES_DB	postgres
POSTGRES_DEFAULT_STATISTICS_TARGET	100
POSTGRES_DEFAULT_TEXT_SEARCH_CONFIG	pg_catalog.english
POSTGRES_EFFECTIVE_CACHE_SIZE	1GB
POSTGRES_DB_EXTENSIONS		Separated by comma
POSTGRES_LC_MESSAGES	en_US.utf8
POSTGRES_LC_MONETARY	en_US.utf8
POSTGRES_LC_NUMERIC	en_US.utf8
POSTGRES_LC_TIME	en_US.utf8
POSTGRES_LOG_TIMEZONE	UTC
POSTGRES_MAINTENANCE_WORK_MEM	128MB
POSTGRES_MAX_CONNECTIONS	100
POSTGRES_MAX_WAL_SIZE	2GB	>=9.5
POSTGRES_MIN_WAL_SIZE	1GB	>=9.5
POSTGRES_SHARED_BUFFERS	512MB
POSTGRES_SHARED_MEMORY_TYPE	posix	>=9.4
POSTGRES_TIMEZONE	UTC
POSTGRES_PASSWORD		REQUIRED
POSTGRES_USER	postgres
POSTGRES_WAL_BUFFERS	16MB
POSTGRES_WORK_MEM	5MB

Orchestration Actions

Usage:

make COMMAND [params ...]
 
commands:
    import source=</path/to/dump.zip or http://example.com/url/to/dump.sql.gz> [user password db host  binary] 
    backup filepath=</path/to/backup.sql.gz> [user password host db ignore=<"table1;table2"> nice ionice] 
    query query=<SELECT 1> [user password db host] 
    query-silent query=<SELECT 1> [user password db host]
    check-ready [user password db host max_try wait_seconds delay_seconds]  
    
default params values:
    user $POSTGRES_USER
    password $POSTGRES_PASSWORD
    db $POSTGRES_DB
    host localhost
    max_try 1
    wait_seconds 1
    delay_seconds 0
    ignore ""
    binary 0
    nice 10
    ionice 7    

Deployment

Deploy PostgreSQL to your server via Wodby.