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Commit 09a5d63b authored by Michael Kebe's avatar Michael Kebe
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docs: typos, remove port :2375 to avoid confusion with dockerd tcp socket 

using dockerd tcp socket is not recommended due to security impacts.
https://docs.docker.com/reference/cli/dockerd/#bind-docker-to-another-hostport-or-a-unix-socket
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......@@ -19,9 +19,9 @@ include:
inputs:
# ⚠ this is only an example
base-app-name: wonderapp
review-docker-host: "ssh://docker@192.168.64.5:2375" # enable review env
staging-docker-host: "ssh://docker@192.168.64.6:2375" # enable staging env
prod-docker-host: "ssh://docker@192.168.64.7:2375" # enable production env
review-docker-host: "ssh://user@192.168.64.5" # enable review env
staging-docker-host: "ssh://user@192.168.64.6" # enable staging env
prod-docker-host: "ssh://user@192.168.64.7" # enable production env
```
### Use as a CI/CD template (legacy)
......@@ -39,9 +39,9 @@ variables:
# 2: set/override template variables
# ⚠ this is only an example
DCMP_BASE_APP_NAME: wonderapp
DCMP_REVIEW_DOCKER_HOST: "ssh://docker@192.168.64.5:2375" # enable review env
DCMP_STAGING_DOCKER_HOST: "ssh://docker@192.168.64.6:2375" # enable staging env
DCMP_PROD_DOCKER_HOST: "ssh://docker@192.168.64.7:2375" # enable production env
DCMP_REVIEW_DOCKER_HOST: "ssh://user@192.168.64.5" # enable review env
DCMP_STAGING_DOCKER_HOST: "ssh://user@192.168.64.6" # enable staging env
DCMP_PROD_DOCKER_HOST: "ssh://user@192.168.64.7" # enable production env
```
## Understand
......@@ -96,7 +96,7 @@ You're free to enable whichever or both, and you can also choose your deployment
The Docker Compose template supports [deployment on remote Docker hosts](https://www.docker.com/blog/how-to-deploy-on-remote-docker-hosts-with-docker-compose/), using
dedicated variables:
* `DCMP_REVIEW_DOCKER_HOST`, `DCMP_INTEG_DOCKER_HOST`, `DCMP_STAGING_DOCKER_HOST` and `DCMP_PROD_DOCKER_HOST` to both enable and configure the target Docker host for each environment (ex: `ssh://docker@192.168.64.5:2375`),
* `DCMP_REVIEW_DOCKER_HOST`, `DCMP_INTEG_DOCKER_HOST`, `DCMP_STAGING_DOCKER_HOST` and `DCMP_PROD_DOCKER_HOST` to both enable and configure the target Docker host for each environment (ex: `ssh://user@192.168.64.5`),
* :lock: `DCMP_SSH_PRIVATE_KEY`, :lock: `DCMP_REVIEW_SSH_PRIVATE_KEY`, :lock: `DCMP_INTEG_SSH_PRIVATE_KEY`, :lock: `DCMP_STAGING_SSH_PRIVATE_KEY` and :lock: `DCMP_PROD_SSH_PRIVATE_KEY` to provide the global or per env SSH private key (in case SSH authentication is required).
### Deployment context variables
......@@ -116,13 +116,13 @@ By construction, it is suitable for inclusion in DNS, URLs, Kubernetes labels...
It is built from:
* the application _base name_ (defaults to `$CI_PROJECT_NAME` but can be overridden globally and/or per deployment environment - _see configuration variables_)
* GitLab predefined `$CI_ENVIRONMENT_SLUG` variable ([sluggified](https://en.wikipedia.org/wiki/Clean_URL#Slug) name, truncated to 24 characters)
* GitLab predefined `$CI_ENVIRONMENT_SLUG` variable ([slugified](https://en.wikipedia.org/wiki/Clean_URL#Slug) name, truncated to 24 characters)
The `${environment_name}` variable is then evaluated as:
* `<app base name>` for the production environment
* `<app base name>-$CI_ENVIRONMENT_SLUG` for all other deployment environments
* :bulb: `${environment_name}` can also be overriden per environment with the appropriate configuration variable
* :bulb: `${environment_name}` can also be overridden per environment with the appropriate configuration variable
Examples (with an application's base name `myapp`):
......@@ -176,12 +176,12 @@ Examples with different combinations of files:
<td colspan="4" align=center><code>compose.yaml</code></td>
</tr>
<tr>
<td>- <code>compose.yaml</code><br/>- <code>compose-production.yaml<code></td>
<td>- <code>compose.yaml</code><br/>- <code>compose-production.yaml</code></td>
<td colspan="3" align=center><code>compose.yaml</code></td>
<td align=center><code>compose-production.yaml</code></td>
</tr>
<tr>
<td>- <code>docker-compose.yml</code><br/>- <code>docker-compose-production.override.yml<code></td>
<td>- <code>docker-compose.yml</code><br/>- <code>docker-compose-production.override.yml</code></td>
<td colspan="3" align=center><code>docker-compose.yml</code></td>
<td align=center><code>docker-compose.yml</code> + <code>docker-compose-production.override.yml</code> (merged)</td>
</tr>
......@@ -243,7 +243,7 @@ Part of this complexity can be handled by the lookup strategies described above
3. any [custom variable](https://docs.gitlab.com/ee/ci/variables/#add-a-cicd-variable-to-a-docker-host)
(ex: `${SECRET_TOKEN}` that you have set in your project CI/CD variables)
Be aware that environment variables may be freely used and substitued in [dotenv files](https://docs.docker.com/compose/environment-variables/env-file/)
Be aware that environment variables may be freely used and substituted in [dotenv files](https://docs.docker.com/compose/environment-variables/env-file/)
using the appropriate [interpolation syntax](https://docs.docker.com/compose/environment-variables/env-file/#interpolation).
### Environments URL management
......@@ -332,8 +332,8 @@ They are **disabled by default** and can be enabled by setting the `DCMP_REVIEW_
Here are variables supported to configure review environments:
| Input / Variable | Description | Default value |
| ------------------------ | -------------------------------------- | ----------------- |
| `review-docker-host` / `DCMP_REVIEW_DOCKER_HOST` | Docker Host for `review` env (ex: `ssh://docker@docker-host-for-review:2375`) | _none_ (disabled) |
| ------------------------ |-------------------------------------------------------------------------------------------------------------------| ----------------- |
| `review-docker-host` / `DCMP_REVIEW_DOCKER_HOST` | Docker Host for `review` env (ex: `ssh://user@docker-host-for-review`) | _none_ (disabled) |
| :lock: `DCMP_REVIEW_SSH_PRIVATE_KEY` | `review` env specific SSH key to use when connecting to Docker Host over SSH | `$DCMP_SSH_PRIVATE_KEY` |
| `review-app-name` / `DCMP_REVIEW_APP_NAME` | Application name for `review` env | `"${DCMP_BASE_APP_NAME}-${CI_ENVIRONMENT_SLUG}"` (ex: `myproject-review-fix-bug-12`) |
| `review-environment-url` / `DCMP_REVIEW_ENVIRONMENT_URL`| The review environments url _(only define for static environment URLs declaration and if different from default)_ | `$DCMP_ENVIRONMENT_URL` |
......@@ -348,8 +348,8 @@ It is **disabled by default** and can be enabled by setting the `DCMP_INTEG_DOCK
Here are variables supported to configure the integration environment:
| Input / Variable | Description | Default value |
| ------------------------ | -------------------------------------- | ----------------- |
| `integ-docker-host` / `DCMP_INTEG_DOCKER_HOST` | Docker Host for `integration` env (ex: `ssh://docker@docker-host-for-integ:2375`) | _none_ (disabled) |
| ------------------------ |----------------------------------------------------------------------------------------------------------------------| ----------------- |
| `integ-docker-host` / `DCMP_INTEG_DOCKER_HOST` | Docker Host for `integration` env (ex: `ssh://user@docker-host-for-integ`) | _none_ (disabled) |
| :lock: `DCMP_INTEG_SSH_PRIVATE_KEY` | `integration` env specific SSH key to use when connecting to Docker Host over SSH | `$DCMP_SSH_PRIVATE_KEY` |
| `integ-app-name` / `DCMP_INTEG_APP_NAME` | Application name for `integration` env | `${DCMP_BASE_APP_NAME}-integration` |
| `integ-environment-url` / `DCMP_INTEG_ENVIRONMENT_URL`| The integration environment url _(only define for static environment URLs declaration and if different from default)_ | `$DCMP_ENVIRONMENT_URL` |
......@@ -364,8 +364,8 @@ It is **disabled by default** and can be enabled by setting the `DCMP_STAGING_DO
Here are variables supported to configure the staging environment:
| Input / Variable | Description | Default value |
| ------------------------ | -------------------------------------- | ----------------- |
| `staging-docker-host` / `DCMP_STAGING_DOCKER_HOST` | Docker Host for `staging` env (ex: `ssh://docker@docker-host-for-staging:2375`) | _none_ (disabled) |
| ------------------------ |-------------------------------------------------------------------------------------------------------------------| ----------------- |
| `staging-docker-host` / `DCMP_STAGING_DOCKER_HOST` | Docker Host for `staging` env (ex: `ssh://user@docker-host-for-staging`) | _none_ (disabled) |
| :lock: `DCMP_STAGING_SSH_PRIVATE_KEY` | `staging` env specific SSH key to use when connecting to Docker Host over SSH | `$DCMP_SSH_PRIVATE_KEY` |
| `staging-app-name` / `DCMP_STAGING_APP_NAME` | Application name for `staging` env | `${DCMP_BASE_APP_NAME}-staging` |
| `staging-environment-url` / `DCMP_STAGING_ENVIRONMENT_URL`| The staging environment url _(only define for static environment URLs declaration and if different from default)_ | `$DCMP_ENVIRONMENT_URL` |
......@@ -379,8 +379,8 @@ It is **disabled by default** and can be enabled by setting the `DCMP_PROD_DOCKE
Here are variables supported to configure the production environment:
| Input / Variable | Description | Default value |
| ------------------------- | -------------------------------------- | ----------------- |
| `prod-docker-host` / `DCMP_PROD_DOCKER_HOST` | Docker Host for `production` env (ex: `ssh://docker@docker-host-for-prod:2375`) | _none_ (disabled) |
| ------------------------- |---------------------------------------------------------------------------------------------------------------------| ----------------- |
| `prod-docker-host` / `DCMP_PROD_DOCKER_HOST` | Docker Host for `production` env (ex: `ssh://user@docker-host-for-prod`) | _none_ (disabled) |
| :lock: `DCMP_PROD_SSH_PRIVATE_KEY` | `production` env specific SSH key to use when connecting to Docker Host over SSH | `$DCMP_SSH_PRIVATE_KEY` |
| `prod-app-name` / `DCMP_PROD_APP_NAME` | Application name for `production` env | `$DCMP_BASE_APP_NAME` |
| `prod-environment-url` / `DCMP_PROD_ENVIRONMENT_URL`| The production environment url _(only define for static environment URLs declaration and if different from default)_ | `$DCMP_ENVIRONMENT_URL` |
......
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