docs: update PostgreSQL examples from 15 to 18

commit: e354029874ea08d72fb1c0cda7952ee96aeb8df5
author: brice · 9mo ago · 2026-01-17 15:30 UTC
parent: 27c6ff9
signature: unsigned

6 files · +26 -26

M docs/cli/attachments.md +11 -11


@@ -18,8 +18,8 @@ Manage attachments on local or remote Gordon instances.
18	18
19	19		```bash
20	20		gordon attach list
21		-	gordon attach add app.example.com postgres:15
22		-	gordon attach remove app.example.com postgres:15
	21	+	gordon attach add app.example.com postgres:18
	22	+	gordon attach remove app.example.com postgres:18
23	23		```
24	24
25	25		---

@@ -45,8 +45,8 @@ gordon attachments list --remote https://gordon.mydomain.com --token $TOKEN
45	45		```
46	46		Target Attachments
47	47		--------------------------------------------------------------------------------
48		-	app.example.com postgres:15, redis:7-alpine
49		-	api.example.com postgres:15
	48	+	app.example.com postgres:18, redis:7-alpine
	49	+	api.example.com postgres:18
50	50		backend (group) rabbitmq:3-management
51	51		```
52	52

@@ -58,7 +58,7 @@ Add an attachment to a domain or network group.
58	58
59	59		```bash
60	60		gordon attachments add <domain-or-group> <image>
61		-	gordon attachments add app.example.com postgres:15
	61	+	gordon attachments add app.example.com postgres:18
62	62		gordon attachments add backend redis:7-alpine
63	63		```
64	64

@@ -80,13 +80,13 @@ gordon attachments add backend redis:7-alpine
80	80
81	81		```bash
82	82		# Add database to a domain
83		-	gordon attachments add app.example.com postgres:15
	83	+	gordon attachments add app.example.com postgres:18
84	84
85	85		# Add cache to a network group (shared by all domains in the group)
86	86		gordon attachments add backend redis:7-alpine
87	87
88	88		# Remote
89		-	gordon attachments add app.example.com postgres:15 --remote https://gordon.mydomain.com --token $TOKEN
	89	+	gordon attachments add app.example.com postgres:18 --remote https://gordon.mydomain.com --token $TOKEN
90	90		```
91	91
92	92		---

@@ -97,7 +97,7 @@ Remove an attachment.
97	97
98	98		```bash
99	99		gordon attachments remove <domain-or-group> <image>
100		-	gordon attachments remove app.example.com postgres:15
	100	+	gordon attachments remove app.example.com postgres:18
101	101		```
102	102
103	103		### Arguments

@@ -118,13 +118,13 @@ gordon attachments remove app.example.com postgres:15
118	118
119	119		```bash
120	120		# Remove database from a domain
121		-	gordon attachments remove app.example.com postgres:15
	121	+	gordon attachments remove app.example.com postgres:18
122	122
123	123		# Remove from network group
124	124		gordon attachments remove backend redis:7-alpine
125	125
126	126		# Remote
127		-	gordon attachments remove app.example.com postgres:15 --remote https://gordon.mydomain.com --token $TOKEN
	127	+	gordon attachments remove app.example.com postgres:18 --remote https://gordon.mydomain.com --token $TOKEN
128	128		```
129	129
130	130		---

@@ -135,7 +135,7 @@ gordon attachments remove app.example.com postgres:15 --remote https://gordon.my
135	135
136	136		```bash
137	137		# Add PostgreSQL database
138		-	gordon attachments add app.example.com postgres:15
	138	+	gordon attachments add app.example.com postgres:18
139	139
140	140		# Add Redis cache
141	141		gordon attachments add app.example.com redis:7-alpine


@@ -18,8 +18,8 @@ Manage attachments on local or remote Gordon instances.
18			18
19		```bash	19		```bash
20		gordon attach list	20		gordon attach list
21	-	gordon attach add app.example.com postgres:15	21	+	gordon attach add app.example.com postgres:18
22	-	gordon attach remove app.example.com postgres:15	22	+	gordon attach remove app.example.com postgres:18
23		```	23		```
24			24
25		---	25		---

@@ -45,8 +45,8 @@ gordon attachments list --remote https://gordon.mydomain.com --token $TOKEN
45		```	45		```
46		Target Attachments	46		Target Attachments
47		--------------------------------------------------------------------------------	47		--------------------------------------------------------------------------------
48	-	app.example.com postgres:15, redis:7-alpine	48	+	app.example.com postgres:18, redis:7-alpine
49	-	api.example.com postgres:15	49	+	api.example.com postgres:18
50		backend (group) rabbitmq:3-management	50		backend (group) rabbitmq:3-management
51		```	51		```
52			52

@@ -58,7 +58,7 @@ Add an attachment to a domain or network group.
58			58
59		```bash	59		```bash
60		gordon attachments add <domain-or-group> <image>	60		gordon attachments add <domain-or-group> <image>
61	-	gordon attachments add app.example.com postgres:15	61	+	gordon attachments add app.example.com postgres:18
62		gordon attachments add backend redis:7-alpine	62		gordon attachments add backend redis:7-alpine
63		```	63		```
64			64

@@ -80,13 +80,13 @@ gordon attachments add backend redis:7-alpine
80			80
81		```bash	81		```bash
82		# Add database to a domain	82		# Add database to a domain
83	-	gordon attachments add app.example.com postgres:15	83	+	gordon attachments add app.example.com postgres:18
84			84
85		# Add cache to a network group (shared by all domains in the group)	85		# Add cache to a network group (shared by all domains in the group)
86		gordon attachments add backend redis:7-alpine	86		gordon attachments add backend redis:7-alpine
87			87
88		# Remote	88		# Remote
89	-	gordon attachments add app.example.com postgres:15 --remote https://gordon.mydomain.com --token $TOKEN	89	+	gordon attachments add app.example.com postgres:18 --remote https://gordon.mydomain.com --token $TOKEN
90		```	90		```
91			91
92		---	92		---

@@ -97,7 +97,7 @@ Remove an attachment.
97			97
98		```bash	98		```bash
99		gordon attachments remove <domain-or-group> <image>	99		gordon attachments remove <domain-or-group> <image>
100	-	gordon attachments remove app.example.com postgres:15	100	+	gordon attachments remove app.example.com postgres:18
101		```	101		```
102			102
103		### Arguments	103		### Arguments

@@ -118,13 +118,13 @@ gordon attachments remove app.example.com postgres:15
118			118
119		```bash	119		```bash
120		# Remove database from a domain	120		# Remove database from a domain
121	-	gordon attachments remove app.example.com postgres:15	121	+	gordon attachments remove app.example.com postgres:18
122			122
123		# Remove from network group	123		# Remove from network group
124		gordon attachments remove backend redis:7-alpine	124		gordon attachments remove backend redis:7-alpine
125			125
126		# Remote	126		# Remote
127	-	gordon attachments remove app.example.com postgres:15 --remote https://gordon.mydomain.com --token $TOKEN	127	+	gordon attachments remove app.example.com postgres:18 --remote https://gordon.mydomain.com --token $TOKEN
128		```	128		```
129			129
130		---	130		---

@@ -135,7 +135,7 @@ gordon attachments remove app.example.com postgres:15 --remote https://gordon.my
135			135
136		```bash	136		```bash
137		# Add PostgreSQL database	137		# Add PostgreSQL database
138	-	gordon attachments add app.example.com postgres:15	138	+	gordon attachments add app.example.com postgres:18
139			139
140		# Add Redis cache	140		# Add Redis cache
141		gordon attachments add app.example.com redis:7-alpine	141		gordon attachments add app.example.com redis:7-alpine

M docs/cli/index.md +2 -2


@@ -55,8 +55,8 @@ gordon routes deploy myapp.example.com
55	55
56	56		# Attachments
57	57		gordon attachments list
58		-	gordon attachments add app.example.com postgres:15
59		-	gordon attachments remove app.example.com postgres:15
	58	+	gordon attachments add app.example.com postgres:18
	59	+	gordon attachments remove app.example.com postgres:18
60	60
61	61		# Secrets
62	62		gordon secrets list myapp.local


@@ -55,8 +55,8 @@ gordon routes deploy myapp.example.com
55			55
56		# Attachments	56		# Attachments
57		gordon attachments list	57		gordon attachments list
58	-	gordon attachments add app.example.com postgres:15	58	+	gordon attachments add app.example.com postgres:18
59	-	gordon attachments remove app.example.com postgres:15	59	+	gordon attachments remove app.example.com postgres:18
60			60
61		# Secrets	61		# Secrets
62		gordon secrets list myapp.local	62		gordon secrets list myapp.local

M docs/concepts.md +1 -1


@@ -142,7 +142,7 @@ Both `app.mydomain.com` and `api.mydomain.com` can access the shared services.
142	142		Gordon automatically creates persistent storage from Dockerfile `VOLUME` directives:
143	143
144	144		```dockerfile
145		-	FROM postgres:15
	145	+	FROM postgres:18
146	146		VOLUME ["/var/lib/postgresql/data"]
147	147		```
148	148


@@ -142,7 +142,7 @@ Both `app.mydomain.com` and `api.mydomain.com` can access the shared services.
142		Gordon automatically creates persistent storage from Dockerfile `VOLUME` directives:	142		Gordon automatically creates persistent storage from Dockerfile `VOLUME` directives:
143			143
144		```dockerfile	144		```dockerfile
145	-	FROM postgres:15	145	+	FROM postgres:18
146		VOLUME ["/var/lib/postgresql/data"]	146		VOLUME ["/var/lib/postgresql/data"]
147		```	147		```
148			148

M docs/config/attachments.md +9 -9


@@ -65,7 +65,7 @@ Use Dockerfile VOLUME directives for persistent data:
65	65
66	66		```dockerfile
67	67		# postgres.Dockerfile
68		-	FROM postgres:15
	68	+	FROM postgres:18
69	69		VOLUME ["/var/lib/postgresql/data"]
70	70		ENV POSTGRES_DB=myapp
71	71		ENV POSTGRES_USER=app

@@ -143,7 +143,7 @@ Multiple apps share the same service instances:
143	143		"app.mydomain.com" = "myapp:latest"
144	144
145	145		[attachments]
146		-	"app.mydomain.com" = ["postgres:15", "redis:7-alpine"]
	146	+	"app.mydomain.com" = ["postgres:18", "redis:7-alpine"]
147	147		```
148	148
149	149		### Microservices with Shared Queue

@@ -169,7 +169,7 @@ Build custom service images with your configuration:
169	169
170	170		```dockerfile
171	171		# my-postgres.Dockerfile
172		-	FROM postgres:15
	172	+	FROM postgres:18
173	173		VOLUME ["/var/lib/postgresql/data"]
174	174		ENV POSTGRES_DB=production
175	175		ENV POSTGRES_USER=appuser

@@ -226,26 +226,26 @@ gordon attachments list --remote https://gordon.mydomain.com --token $TOKEN
226	226
227	227		```bash
228	228		# Add attachment to a domain
229		-	gordon attachments add app.mydomain.com postgres:15
	229	+	gordon attachments add app.mydomain.com postgres:18
230	230
231	231		# Add attachment to a network group
232	232		gordon attachments add backend redis:7-alpine
233	233
234	234		# Remote mode
235		-	gordon attachments add app.mydomain.com postgres:15 --remote https://gordon.mydomain.com --token $TOKEN
	235	+	gordon attachments add app.mydomain.com postgres:18 --remote https://gordon.mydomain.com --token $TOKEN
236	236		```
237	237
238	238		### Remove Attachments
239	239
240	240		```bash
241	241		# Remove attachment from a domain
242		-	gordon attachments remove app.mydomain.com postgres:15
	242	+	gordon attachments remove app.mydomain.com postgres:18
243	243
244	244		# Remove from network group
245	245		gordon attachments remove backend redis:7-alpine
246	246
247	247		# Remote mode
248		-	gordon attachments remove app.mydomain.com postgres:15 --remote https://gordon.mydomain.com --token $TOKEN
	248	+	gordon attachments remove app.mydomain.com postgres:18 --remote https://gordon.mydomain.com --token $TOKEN
249	249		```
250	250
251	251		### Alias

@@ -254,8 +254,8 @@ The `gordon attach` command is an alias for `gordon attachments`:
254	254
255	255		```bash
256	256		gordon attach list
257		-	gordon attach add app.mydomain.com postgres:15
258		-	gordon attach remove app.mydomain.com postgres:15
	257	+	gordon attach add app.mydomain.com postgres:18
	258	+	gordon attach remove app.mydomain.com postgres:18
259	259		```
260	260
261	261		## Related


@@ -65,7 +65,7 @@ Use Dockerfile VOLUME directives for persistent data:
65			65
66		```dockerfile	66		```dockerfile
67		# postgres.Dockerfile	67		# postgres.Dockerfile
68	-	FROM postgres:15	68	+	FROM postgres:18
69		VOLUME ["/var/lib/postgresql/data"]	69		VOLUME ["/var/lib/postgresql/data"]
70		ENV POSTGRES_DB=myapp	70		ENV POSTGRES_DB=myapp
71		ENV POSTGRES_USER=app	71		ENV POSTGRES_USER=app

@@ -143,7 +143,7 @@ Multiple apps share the same service instances:
143		"app.mydomain.com" = "myapp:latest"	143		"app.mydomain.com" = "myapp:latest"
144			144
145		[attachments]	145		[attachments]
146	-	"app.mydomain.com" = ["postgres:15", "redis:7-alpine"]	146	+	"app.mydomain.com" = ["postgres:18", "redis:7-alpine"]
147		```	147		```
148			148
149		### Microservices with Shared Queue	149		### Microservices with Shared Queue

@@ -169,7 +169,7 @@ Build custom service images with your configuration:
169			169
170		```dockerfile	170		```dockerfile
171		# my-postgres.Dockerfile	171		# my-postgres.Dockerfile
172	-	FROM postgres:15	172	+	FROM postgres:18
173		VOLUME ["/var/lib/postgresql/data"]	173		VOLUME ["/var/lib/postgresql/data"]
174		ENV POSTGRES_DB=production	174		ENV POSTGRES_DB=production
175		ENV POSTGRES_USER=appuser	175		ENV POSTGRES_USER=appuser

@@ -226,26 +226,26 @@ gordon attachments list --remote https://gordon.mydomain.com --token $TOKEN
226			226
227		```bash	227		```bash
228		# Add attachment to a domain	228		# Add attachment to a domain
229	-	gordon attachments add app.mydomain.com postgres:15	229	+	gordon attachments add app.mydomain.com postgres:18
230			230
231		# Add attachment to a network group	231		# Add attachment to a network group
232		gordon attachments add backend redis:7-alpine	232		gordon attachments add backend redis:7-alpine
233			233
234		# Remote mode	234		# Remote mode
235	-	gordon attachments add app.mydomain.com postgres:15 --remote https://gordon.mydomain.com --token $TOKEN	235	+	gordon attachments add app.mydomain.com postgres:18 --remote https://gordon.mydomain.com --token $TOKEN
236		```	236		```
237			237
238		### Remove Attachments	238		### Remove Attachments
239			239
240		```bash	240		```bash
241		# Remove attachment from a domain	241		# Remove attachment from a domain
242	-	gordon attachments remove app.mydomain.com postgres:15	242	+	gordon attachments remove app.mydomain.com postgres:18
243			243
244		# Remove from network group	244		# Remove from network group
245		gordon attachments remove backend redis:7-alpine	245		gordon attachments remove backend redis:7-alpine
246			246
247		# Remote mode	247		# Remote mode
248	-	gordon attachments remove app.mydomain.com postgres:15 --remote https://gordon.mydomain.com --token $TOKEN	248	+	gordon attachments remove app.mydomain.com postgres:18 --remote https://gordon.mydomain.com --token $TOKEN
249		```	249		```
250			250
251		### Alias	251		### Alias

@@ -254,8 +254,8 @@ The `gordon attach` command is an alias for `gordon attachments`:
254			254
255		```bash	255		```bash
256		gordon attach list	256		gordon attach list
257	-	gordon attach add app.mydomain.com postgres:15	257	+	gordon attach add app.mydomain.com postgres:18
258	-	gordon attach remove app.mydomain.com postgres:15	258	+	gordon attach remove app.mydomain.com postgres:18
259		```	259		```
260			260
261		## Related	261		## Related

M docs/config/volumes.md +2 -2


@@ -24,7 +24,7 @@ preserve = true
24	24		Gordon automatically creates Docker volumes from Dockerfile `VOLUME` directives:
25	25
26	26		```dockerfile
27		-	FROM postgres:15
	27	+	FROM postgres:18
28	28		VOLUME ["/var/lib/postgresql/data"]
29	29		```
30	30

@@ -76,7 +76,7 @@ With `preserve = false`:
76	76
77	77		```dockerfile
78	78		# my-postgres.Dockerfile
79		-	FROM postgres:15
	79	+	FROM postgres:18
80	80		VOLUME ["/var/lib/postgresql/data"]
81	81		ENV POSTGRES_DB=myapp
82	82		ENV POSTGRES_USER=app


@@ -24,7 +24,7 @@ preserve = true
24		Gordon automatically creates Docker volumes from Dockerfile `VOLUME` directives:	24		Gordon automatically creates Docker volumes from Dockerfile `VOLUME` directives:
25			25
26		```dockerfile	26		```dockerfile
27	-	FROM postgres:15	27	+	FROM postgres:18
28		VOLUME ["/var/lib/postgresql/data"]	28		VOLUME ["/var/lib/postgresql/data"]
29		```	29		```
30			30

@@ -76,7 +76,7 @@ With `preserve = false`:
76			76
77		```dockerfile	77		```dockerfile
78		# my-postgres.Dockerfile	78		# my-postgres.Dockerfile
79	-	FROM postgres:15	79	+	FROM postgres:18
80		VOLUME ["/var/lib/postgresql/data"]	80		VOLUME ["/var/lib/postgresql/data"]
81		ENV POSTGRES_DB=myapp	81		ENV POSTGRES_DB=myapp
82		ENV POSTGRES_USER=app	82		ENV POSTGRES_USER=app

M wiki/tutorials/postgres-service.md +1 -1


@@ -20,7 +20,7 @@ Add a PostgreSQL database as an attachment to your application.
20	20		Create `postgres.Dockerfile`:
21	21
22	22		```dockerfile
23		-	FROM postgres:15-alpine
	23	+	FROM postgres:18-alpine
24	24
25	25		# Persistent data directory
26	26		VOLUME ["/var/lib/postgresql/data"]


@@ -20,7 +20,7 @@ Add a PostgreSQL database as an attachment to your application.
20		Create `postgres.Dockerfile`:	20		Create `postgres.Dockerfile`:
21			21
22		```dockerfile	22		```dockerfile
23	-	FROM postgres:15-alpine	23	+	FROM postgres:18-alpine
24			24
25		# Persistent data directory	25		# Persistent data directory
26		VOLUME ["/var/lib/postgresql/data"]	26		VOLUME ["/var/lib/postgresql/data"]