### Author:  [@adrianbblk](https://meta.discourse.org/u/adrianbblk)
#### Post date: [March 25, 2018, 1:36pm UTC](https://meta.discourse.org/t/did-not-find-expected-indicator-in-app-yml/83800/1 "2018-03-25T13:36:52Z")
Hi Everyone,
I just try to rebuild the app and I get this error:
```
(): did not find expected '-' indicator while parsing a block collection at line 11 column 3 -e LANG=en_US.UTF-8
YAML syntax error. Please check your containers/*.yml config files.
```
Line 11 in my app.yml
` - "templates/cron.template.yml"`
I need some help to fix it. Thank You 👼
---
### Author:  [@pfaffman](https://meta.discourse.org/u/pfaffman)
#### Post date: [March 25, 2018, 1:55pm UTC](https://meta.discourse.org/t/did-not-find-expected-indicator-in-app-yml/83800/2 "2018-03-25T13:55:54Z")
Perhaps you have a tab rather than a space?
There are yaml checkers on the net. You will need to be able to copy and paste rather than take a picture.
What changes did you make?
---
### Author:  [@jomaxro](https://meta.discourse.org/u/jomaxro)
#### Post date: [March 25, 2018, 2:11pm UTC](https://meta.discourse.org/t/did-not-find-expected-indicator-in-app-yml/83800/3 "2018-03-25T14:11:56Z")
Looks to me like the `ratelimited` and `socketed` lines have one too many spaces in front. They should have the same number of spaces as the 5 templates above, not the 2 commented out templates.
---
### Author:  [@adrianbblk](https://meta.discourse.org/u/adrianbblk)
#### Post date: [March 25, 2018, 2:43pm UTC](https://meta.discourse.org/t/did-not-find-expected-indicator-in-app-yml/83800/4 "2018-03-25T14:43:46Z")
```
## this is the all-in-one, standalone Discourse Docker container template
##
## After making changes to this file, you MUST rebuild
## /var/discourse/launcher rebuild app
##
## BE *VERY* CAREFUL WHEN EDITING!
## YAML FILES ARE SUPER SUPER SENSITIVE TO MISTAKES IN WHITESPACE OR ALIGNMENT!
## visit http://www.yamllint.com/ to validate this file as needed
templates:
- "templates/cron.template.yml"
- "templates/postgres.template.yml"
- "templates/redis.template.yml"
- "templates/sshd.template.yml"
- "templates/web.template.yml"
## Uncomment these two lines if you wish to add Lets Encrypt (https)
# - "templates/web.ssl.template.yml"
# - "templates/web.letsencrypt.ssl.template.yml"
- "templates/web.ratelimited.template.yml"
- "templates/web.socketed.template.yml"
## which TCP/IP ports should this container expose?
## If you want Discourse to share a port with another webserver like Apache or nginx,
## see https://meta.discourse.org/t/17247 for details
expose:
# - "443:443" # https
# - "80:80" # http
params:
db_default_text_search_config: "pg_catalog.english"
## Set db_shared_buffers to a max of 25% of the total memory.
## will be set automatically by bootstrap based on detected RAM, or you can override
db_shared_buffers: "2048MB"
## can improve sorting performance, but adds memory usage per-connection
#db_work_mem: "40MB"
```
---
### Author:  [@adrianbblk](https://meta.discourse.org/u/adrianbblk)
#### Post date: [March 25, 2018, 2:51pm UTC](https://meta.discourse.org/t/did-not-find-expected-indicator-in-app-yml/83800/5 "2018-03-25T14:51:46Z")
Hi again,
Even I moved the line 11:
`- "templates/cron.template.yml"`
I get the error on the same line, 11 col 3 where now is
`- "templates/postgres.template.yml"` This line was there.
---
### Author:  [@adrianbblk](https://meta.discourse.org/u/adrianbblk)
#### Post date: [March 25, 2018, 2:54pm UTC](https://meta.discourse.org/t/did-not-find-expected-indicator-in-app-yml/83800/6 "2018-03-25T14:54:13Z")
Thank You! 🙂 That fix the issue. I was still looking at the line 11.
---
### Author:  [@mikechristopher](https://meta.discourse.org/u/mikechristopher)
#### Post date: [March 25, 2018, 2:56pm UTC](https://meta.discourse.org/t/did-not-find-expected-indicator-in-app-yml/83800/7 "2018-03-25T14:56:42Z")
You have an extra space or two In front of the - on the ratelimited and socketed lines it doesnt line up with the above section. Also as mentioned above ensure that only spaces not tabs are used.
[https://docs.saltstack.com/en/latest/topics/troubleshooting/yaml\_idiosyncrasies.html#spaces-vs-tabs](https://docs.saltstack.com/en/latest/topics/troubleshooting/yaml_idiosyncrasies.html#spaces-vs-tabs)
---
### Author:  [@jomaxro](https://meta.discourse.org/u/jomaxro)
#### Post date: [March 26, 2018, 10:00pm UTC](https://meta.discourse.org/t/did-not-find-expected-indicator-in-app-yml/83800/8 "2018-03-26T22:00:08Z")
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