docs: update CONTRIBUTING and README with API endpoint details

feat: update Docker configuration to use DOKPLOY environment variables

CONTRIBUTING.md

@@ -62,6 +62,16 @@ pnpm install
 cp apps/dokploy/.env.example apps/dokploy/.env
 ```
 
+### Optional Docker Configuration
+
+The following environment variables can be added to your `.env` file if you need custom Docker daemon configuration:
+
+- **DOCKER_API_VERSION**: Specify which Docker API version to use (optional)
+- **DOKPLOY_DOCKER_HOST**: Specify a custom Docker daemon host (optional)
+- **DOKPLOY_DOCKER_PORT**: Specify a custom Docker daemon port (optional)
+
+These variables are typically not needed for standard local development but can be useful if you need to connect to a remote Docker daemon or require a specific Docker API version.
+
 ## Requirements
 
 - [Docker](/GUIDES.md#docker)
@@ -171,6 +181,11 @@ curl -sSL "https://github.com/buildpacks/pack/releases/download/v0.39.1/pack-v0.
 - **Issue Association:** For any significant change, it's highly recommended to open an issue first to discuss the proposed solution with the community and maintainers. This ensures alignment and avoids duplicated effort. If your PR resolves an existing issue, please link it in the description (e.g., `Fixes #123`, `Closes #456`).
 - **Large Features:** Pull Requests that introduce very large or broad features **will not be accepted** unless the idea is first outlined and discussed in a GitHub issue. Large features should be designed together with the Dokploy team so the project stays coherent and moves in the same direction. Open an issue to propose and align on the design before implementing.
 
+### Pull Request Guidelines
+
+- **Keep PRs small and focused.** Avoid very large PRs; prefer several smaller PRs (e.g., one template or one logical change per PR). This speeds up review and keeps the history clear.
+- **Test before submitting.** Any PR that has not been tested by the contributor will be closed. This keeps the PR queue tidy and ensures that only contributions that have been verified by their authors are considered.
+
 Thank you for your contribution!
 
 ## Templates

apps/api/README.md

@@ -38,9 +38,9 @@ Optional configuration for customizing Docker daemon connections:
 
 - **DOCKER_API_VERSION** (optional) - Specifies which Docker API version to use when connecting to the Docker daemon. If not set, the Docker client uses the default API version.
 
-- **DOCKER_HOST** (optional) - Specifies the Docker daemon host to connect to. If not set, uses the default Docker socket connection.
+- **DOKPLOY_DOCKER_HOST** (optional) - Specifies the Docker daemon host to connect to. If not set, uses the default Docker socket connection.
 
-- **DOCKER_PORT** (optional) - Specifies the port for connecting to the Docker daemon. If not set, uses the default port.
+- **DOKPLOY_DOCKER_PORT** (optional) - Specifies the port for connecting to the Docker daemon. If not set, uses the default port.
 
 These variables allow advanced users to customize how the Dokploy API server connects to Docker, which can be useful for connecting to remote Docker daemons or using specific API versions.
 

packages/server/src/constants/index.ts

@@ -3,9 +3,9 @@ import Docker from "dockerode";
 
 export const IS_CLOUD = process.env.IS_CLOUD === "true";
 export const DOCKER_API_VERSION = process.env.DOCKER_API_VERSION;
-export const DOCKER_HOST = process.env.DOCKER_HOST;
-export const DOCKER_PORT = process.env.DOCKER_PORT
-	? Number(process.env.DOCKER_PORT)
+export const DOKPLOY_DOCKER_HOST = process.env.DOKPLOY_DOCKER_HOST;
+export const DOKPLOY_DOCKER_PORT = process.env.DOKPLOY_DOCKER_PORT
+	? Number(process.env.DOKPLOY_DOCKER_PORT)
 	: undefined;
 
 export const CLEANUP_CRON_JOB = "50 23 * * *";
@@ -13,11 +13,11 @@ export const docker = new Docker({
 	...(DOCKER_API_VERSION && {
 		version: DOCKER_API_VERSION,
 	}),
-	...(DOCKER_HOST && {
-		host: DOCKER_HOST,
+	...(DOKPLOY_DOCKER_HOST && {
+		host: DOKPLOY_DOCKER_HOST,
 	}),
-	...(DOCKER_PORT && {
-		port: DOCKER_PORT,
+	...(DOKPLOY_DOCKER_PORT && {
+		port: DOKPLOY_DOCKER_PORT,
 	}),
 });