Repository: abhi-kr-2100/Lingetic
Pull request #113: Dockerize the backend
Author: login: abhi-kr-2100
Labels: name: Review effort 2/5
Created: 2025-03-27T15:28:54Z | Merged: 2025-03-27T15:30:54Z

### **PR Type**
Enhancement, Configuration changes


___

### **Description**
- Added `.dockerignore` file to exclude unnecessary files in Docker builds.

- Updated `Dockerfile` to include multi-stage build process.

- Configured secret handling for Sentry authentication in the build stage.

- Improved Docker image structure and reduced final image size.


___



### **Changes walkthrough** 📝
<table><thead><tr><th></th><th align="left">Relevant files</th></tr></thead><tbody><tr><td><strong>Configuration changes</strong></td><td><table>
<tr>
  <td>
    <details>
      <summary><strong>.dockerignore</strong><dd><code>Add `.dockerignore` to optimize Docker builds</code>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </dd></summary>
<hr>

lingetic-spring-backend/.dockerignore

<li>Added <code>.dockerignore</code> file to exclude unnecessary files.<br> <li> Excluded Git, Gradle, IDE, logs, environment files, and test reports.<br> <li> Improved Docker build efficiency by ignoring irrelevant files.


</details>


  </td>
  <td><a href="https://github.com/abhi-kr-2100/Lingetic/pull/113/files#diff-99e907cc76c1b759d7054b368546fd5d60242f3ac4547d6dea59b509ae0d0c84">+34/-0</a>&nbsp; &nbsp; </td>

</tr>
</table></td></tr><tr><td><strong>Enhancement</strong></td><td><table>
<tr>
  <td>
    <details>
      <summary><strong>Dockerfile</strong><dd><code>Update `Dockerfile` with multi-stage build and secrets</code>&nbsp; &nbsp; &nbsp; </dd></summary>
<hr>

lingetic-spring-backend/Dockerfile

<li>Introduced multi-stage build process for Docker image.<br> <li> Added secret handling for Sentry authentication during build.<br> <li> Updated file structure and renamed <code>app.jar</code> to <code>application.jar</code>.<br> <li> Installed <code>findutils</code> for Gradle compatibility in the build stage.


</details>


  </td>
  <td><a href="https://github.com/abhi-kr-2100/Lingetic/pull/113/files#diff-b97346cb46e2faf4af5bd857ee4efe5972676b67e548a6246224ac22a64167df">+23/-3</a>&nbsp; &nbsp; </td>

</tr>
</table></td></tr></tr></tbody></table>

___

> <details> <summary>  Need help?</summary><li>Type <code>/help how to ...</code> in the comments thread for any questions about Qodo Merge usage.</li><li>Check out the <a href="https://qodo-merge-docs.qodo.ai/usage-guide/">documentation</a> for more information.</li></details>

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->

## Summary by CodeRabbit

- **Chores**
  - Enhanced the container build process using a multi-stage workflow to better separate build and runtime stages, improving deployment efficiency.
  - Optimized the build configuration by excluding unnecessary files, resulting in faster build times and a leaner image.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->


Diff:
diff --git a/lingetic-spring-backend/.dockerignore b/lingetic-spring-backend/.dockerignore
new file mode 100644
index 00000000..0d1b9a81
--- /dev/null
+++ b/lingetic-spring-backend/.dockerignore
@@ -0,0 +1,34 @@
+# Git
+.git
+.gitignore
+
+# Gradle
+.gradle
+build/*
+!build/libs/*.jar
+
+# IDE files
+.idea
+*.iml
+.vscode
+*.sublime-*
+.project
+.classpath
+.settings
+
+# Logs
+logs
+*.log
+
+# Environment files
+.env*
+
+# Test reports
+**/test-results
+**/reports
+
+# Misc
+README.md
+LICENSE
+*.md
+.DS_Store
\ No newline at end of file
diff --git a/lingetic-spring-backend/Dockerfile b/lingetic-spring-backend/Dockerfile
index 2b994ea4..7115ffde 100644
--- a/lingetic-spring-backend/Dockerfile
+++ b/lingetic-spring-backend/Dockerfile
@@ -1,10 +1,30 @@
+FROM amazoncorretto:23-jdk AS builder
+
+WORKDIR /app
+
+# Install findutils to provide xargs which is required by gradle but not provided by the base image
+RUN yum update -y && yum install -y findutils
+
+COPY gradlew .
+COPY gradle gradle
+COPY build.gradle.kts .
+COPY settings.gradle.kts .
+
+COPY config/application.properties config/application.properties
+
+COPY src/main src/main
+
+RUN --mount=type=secret,id=SENTRY_AUTH_TOKEN \
+    export SENTRY_AUTH_TOKEN=$(cat /run/secrets/SENTRY_AUTH_TOKEN) && \
+    ./gradlew clean build -x test
+
 FROM amazoncorretto:23-jdk
 
 WORKDIR /app
 
-COPY build/libs/lingetic-0.0.1-SNAPSHOT.jar app.jar
-COPY config/application-production.properties config/application.properties
+COPY --from=builder /app/build/libs/lingetic-0.0.1-SNAPSHOT.jar application.jar
+COPY --from=builder /app/config/application.properties config/application.properties
 
 EXPOSE 8000
 
-ENTRYPOINT ["java", "-jar", "app.jar"]
+ENTRYPOINT ["java", "-jar", "application.jar"]


Reviews:
user: login: gemini-code-assist[bot]
body: Hello @abhi-kr-2100, I'm Gemini Code Assist[^1]! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

## Summary of Changes
This pull request aims to dockerize the backend application. It includes a new `.dockerignore` file to exclude unnecessary files and directories from the Docker image. The `Dockerfile` is updated to use a multi-stage build process, leveraging a builder stage to compile the application and then copying the necessary artifacts to a smaller runtime image. This reduces the final image size and improves security. The build process now also installs `findutils` and uses a secret to pass the Sentry auth token during the build.

### Highlights
* **Dockerization**: The backend application is now dockerized, enabling easier deployment and scaling.
* **Multi-stage build**: The Dockerfile uses a multi-stage build to reduce the final image size.
* **Dependency Management**: Installation of `findutils` to resolve gradle build issues within the docker image.
* **Sentry Integration**: The build process now supports passing the Sentry auth token as a secret.

### Changelog
* **lingetic-spring-backend/.dockerignore**
  * Added a `.dockerignore` file to exclude unnecessary files and directories from the Docker image, such as `.git`, `.gradle`, `.idea`, logs, environment files, test reports, and miscellaneous files.
* **lingetic-spring-backend/Dockerfile**
  * Modified the Dockerfile to use a multi-stage build process.
  * Added a builder stage to compile the application.
  * Installed `findutils` to provide `xargs` which is required by gradle.
  * Copied `gradlew`, `gradle`, `build.gradle.kts`, `settings.gradle.kts`, `config/application.properties`, and `src/main` to the builder stage.
  * Used a secret to pass the Sentry auth token during the build.
  * Copied the built JAR file and `config/application.properties` from the builder stage to the final image.
  * Updated the `ENTRYPOINT` to use `application.jar` instead of `app.jar`.


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---

**Trivia time!**

What is the default base image used by Docker if none is specified in the Dockerfile?

<details>
<summary><b>Click here for the answer</b></summary>
<br>
The default base image used by Docker if none is specified in the Dockerfile is `scratch`, which is an empty filesystem.

</details>

state: COMMENTED
author_association: NONE
submitted_at: 2025-03-27T15:29:03Z
user: login: gemini-code-assist[bot]
body: ## Code Review
The pull request introduces Dockerization to the backend, which is a significant improvement for deployment and consistency. The use of multi-stage builds and secret handling are good practices. However, there are a few areas that could be improved for better security and maintainability.

### Summary of Findings
* **Secret Handling in Dockerfile**: The current method of handling the Sentry auth token in the Dockerfile, while functional, could be improved for enhanced security. Consider using build arguments instead of directly exposing the secret in the image.
* **Application Properties**: The `application.properties` file is copied from the builder stage to the final image. Ensure that this file does not contain any sensitive information that should not be exposed in the final image.
* **Dockerignore file**: The `.dockerignore` file is well-configured, but it's important to periodically review it to ensure that no sensitive or unnecessary files are included in the Docker image.

### Merge Readiness
The pull request is a good step towards containerizing the application. However, the secret handling in the Dockerfile should be reviewed and potentially improved before merging. I am unable to directly approve the pull request, and recommend that others review and approve this code before merging.
state: COMMENTED
author_association: NONE
submitted_at: 2025-03-27T15:29:11Z
user: login: coderabbitai[bot]
body: **Actionable comments posted: 2**

<details>
<summary>📜 Review details</summary>

**Configuration used: CodeRabbit UI**
**Review profile: ASSERTIVE**
**Plan: Pro**

<details>
<summary>📥 Commits</summary>

Reviewing files that changed from the base of the PR and between 376715d43c52c39c65bd689f8e231002ff2b9361 and 868a149a31c57e4db5c587ec5608e5d02a30d9b8.

</details>

<details>
<summary>📒 Files selected for processing (2)</summary>

* `lingetic-spring-backend/.dockerignore` (1 hunks)
* `lingetic-spring-backend/Dockerfile` (1 hunks)

</details>

<details>
<summary>🧰 Additional context used</summary>

<details>
<summary>🪛 Hadolint (2.12.0)</summary>

<details>
<summary>lingetic-spring-backend/Dockerfile</summary>

[warning] 6-6: `yum clean all` missing after yum command.

(DL3032)

---

[warning] 6-6: Specify version with `yum install -y <package>-<version>`.

(DL3033)

---

[warning] 17-17: Quote this to prevent word splitting.

(SC2046)

</details>

</details>

</details>

<details>
<summary>⏰ Context from checks skipped due to timeout of 90000ms (1)</summary>

* GitHub Check: Codacy Static Code Analysis

</details>

<details>
<summary>🔇 Additional comments (6)</summary><blockquote>

<details>
<summary>lingetic-spring-backend/Dockerfile (5)</summary>

`1-4`: **Solid multi-stage build setup.**  
The builder stage is clearly defined using `amazoncorretto:23-jdk` with `/app` as the working directory. This structure is ideal for separating build and runtime concerns.

---

`8-12`: **Clear file copy and build setup.**  
The COPY commands for the Gradle wrapper, build scripts, and configuration files are straightforward and set up the build context correctly. Just ensure that the files specified are also excluded from the Docker build context via the .dockerignore file where appropriate.

---

`13-16`: **Accurate inclusion of configuration and source code.**  
Copying the `config/application.properties` and the source directory (`src/main`) is well handled, ensuring that the application’s runtime configuration and source are preserved for the build.

---

`21-24`: **Final stage setup is correctly executed.**  
Setting the working directory and preparing the production stage by copying over the built artifacts and configuration files is done properly. Verify that the artifact from the builder stage is always named as expected.

---

`25-30`: **Accurate artifact copying and updated entry point.**  
The COPY command correctly references the relocated JAR file (`application.jar`), and the updated ENTRYPOINT reflects this change. Maintaining consistency in artifact naming is crucial for deployment.

</details>
<details>
<summary>lingetic-spring-backend/.dockerignore (1)</summary>

`1-34`: **Well-configured .dockerignore file.**  
The file effectively excludes common version control files, build directories, IDE configurations, log files, environment files, test reports, and miscellaneous files. This helps optimize the Docker build context and reduces image size.

</details>

</blockquote></details>

</details>

<!-- This is an auto-generated comment by CodeRabbit for review status -->
state: COMMENTED
author_association: NONE
submitted_at: 2025-03-27T15:31:44Z

Review comments:
diff_hunk: @@ -1,10 +1,30 @@
+FROM amazoncorretto:23-jdk AS builder
+
+WORKDIR /app
+
+# Install findutils to provide xargs which is required by gradle but not provided by the base image
+RUN yum update -y && yum install -y findutils
+
+COPY gradlew .
+COPY gradle gradle
+COPY build.gradle.kts .
+COPY settings.gradle.kts .
+
+COPY config/application.properties config/application.properties
+
+COPY src/main src/main
+
+RUN --mount=type=secret,id=SENTRY_AUTH_TOKEN \
+    export SENTRY_AUTH_TOKEN=$(cat /run/secrets/SENTRY_AUTH_TOKEN) && \
+    ./gradlew clean build -x test
path: lingetic-spring-backend/Dockerfile
user: login: gemini-code-assist[bot]
body: ![medium](https://img.shields.io/badge/priority-medium-yellow)

Consider using build arguments for passing the `SENTRY_AUTH_TOKEN` instead of mounting a secret and exporting it. This can prevent the secret from being inadvertently exposed in the final image layers.  You can define an ARG and pass the secret during the build process.  This approach is generally more secure.

```
ARG SENTRY_AUTH_TOKEN
ENV SENTRY_AUTH_TOKEN=$SENTRY_AUTH_TOKEN
RUN ./gradlew clean build -x test
```
created_at: 2025-03-27T15:29:11Z
author_association: NONE
diff_hunk: @@ -1,10 +1,30 @@
+FROM amazoncorretto:23-jdk AS builder
+
+WORKDIR /app
+
+# Install findutils to provide xargs which is required by gradle but not provided by the base image
+RUN yum update -y && yum install -y findutils
+
+COPY gradlew .
+COPY gradle gradle
+COPY build.gradle.kts .
+COPY settings.gradle.kts .
+
+COPY config/application.properties config/application.properties
path: lingetic-spring-backend/Dockerfile
user: login: gemini-code-assist[bot]
body: ![medium](https://img.shields.io/badge/priority-medium-yellow)

It's good to copy the application properties, but ensure that this file doesn't contain any sensitive information that shouldn't be in the final image. If it does, consider using environment variables or external configuration to manage sensitive data.
created_at: 2025-03-27T15:29:11Z
author_association: NONE
diff_hunk: @@ -1,10 +1,30 @@
+FROM amazoncorretto:23-jdk AS builder
+
+WORKDIR /app
+
+# Install findutils to provide xargs which is required by gradle but not provided by the base image
+RUN yum update -y && yum install -y findutils
+
path: lingetic-spring-backend/Dockerfile
user: login: coderabbitai[bot]
body: _🧹 Nitpick (assertive)_

**Enhance yum command hygiene.**  
The RUN command installs `findutils` but is missing a cleanup step to remove cached data, as flagged by Hadolint (DL3032). Consider appending `&& yum clean all` and, optionally, specifying a package version (DL3033) for better consistency.  

_Proposed diff:_  
```diff
-RUN yum update -y && yum install -y findutils
+RUN yum update -y && yum install -y findutils && yum clean all
```


<!-- suggestion_start -->

<details>
<summary>📝 Committable suggestion</summary>

> ‼️ **IMPORTANT**
> Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

`````suggestion
# Install findutils to provide xargs which is required by gradle but not provided by the base image
RUN yum update -y && yum install -y findutils && yum clean all
`````

</details>

<!-- suggestion_end -->

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 Hadolint (2.12.0)</summary>

[warning] 6-6: `yum clean all` missing after yum command.

(DL3032)

---

[warning] 6-6: Specify version with `yum install -y <package>-<version>`.

(DL3033)

</details>

</details>

<!-- This is an auto-generated comment by CodeRabbit -->
created_at: 2025-03-27T15:31:43Z
author_association: NONE
diff_hunk: @@ -1,10 +1,30 @@
+FROM amazoncorretto:23-jdk AS builder
+
+WORKDIR /app
+
+# Install findutils to provide xargs which is required by gradle but not provided by the base image
+RUN yum update -y && yum install -y findutils
+
+COPY gradlew .
+COPY gradle gradle
+COPY build.gradle.kts .
+COPY settings.gradle.kts .
+
+COPY config/application.properties config/application.properties
+
+COPY src/main src/main
+
+RUN --mount=type=secret,id=SENTRY_AUTH_TOKEN \
+    export SENTRY_AUTH_TOKEN=$(cat /run/secrets/SENTRY_AUTH_TOKEN) && \
+    ./gradlew clean build -x test
path: lingetic-spring-backend/Dockerfile
user: login: coderabbitai[bot]
body: _🧹 Nitpick (assertive)_

**Quote command substitution to prevent word splitting.**  
In the RUN command using the secret mount, quotating the output of `cat /run/secrets/SENTRY_AUTH_TOKEN` can prevent unexpected word splitting. This small change aligns with best practices and addresses Hadolint SC2046.  

_Proposed diff:_  
```diff
-    export SENTRY_AUTH_TOKEN=$(cat /run/secrets/SENTRY_AUTH_TOKEN) && \
+    export SENTRY_AUTH_TOKEN="$(cat /run/secrets/SENTRY_AUTH_TOKEN)" && \
```


<!-- suggestion_start -->

<details>
<summary>📝 Committable suggestion</summary>

> ‼️ **IMPORTANT**
> Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

`````suggestion
RUN --mount=type=secret,id=SENTRY_AUTH_TOKEN \
    export SENTRY_AUTH_TOKEN="$(cat /run/secrets/SENTRY_AUTH_TOKEN)" && \
    ./gradlew clean build -x test
`````

</details>

<!-- suggestion_end -->

<details>
<summary>🧰 Tools</summary>

<details>
<summary>🪛 Hadolint (2.12.0)</summary>

[warning] 17-17: Quote this to prevent word splitting.

(SC2046)

</details>

</details>

<!-- This is an auto-generated comment by CodeRabbit -->
created_at: 2025-03-27T15:31:43Z
author_association: NONE

PR comments:
user: login: coderabbitai[bot]
created_at: 2025-03-27T15:29:03Z
body: <!-- This is an auto-generated comment: summarize by coderabbit.ai -->
<!-- walkthrough_start -->

## Walkthrough
This pull request adds a new `.dockerignore` file and updates the `Dockerfile` for a more efficient Docker build process. The `.dockerignore` file excludes unnecessary files and directories such as version control files, build artifacts, IDE configurations, and logs. The `Dockerfile` now uses a multi-stage build where the first stage builds the application using `amazoncorretto:23-jdk` and Gradle, and the final stage copies the resulting `application.jar` and configuration files for runtime.

## Changes

| File(s)                                  | Summary                                                                                                                                                                                                                                      |
|------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| lingetic-spring-backend/.dockerignore    | Added a new file that specifies files and directories (e.g., `.git*`, Gradle files, IDE configs, logs, environment and test reports, README, LICENSE, `.DS_Store`) to be ignored during the Docker build process.                        |
| lingetic-spring-backend/Dockerfile         | Modified to implement a multi-stage build: introduced a `builder` stage using `amazoncorretto:23-jdk` that installs `findutils`, copies required files, runs the Gradle build with a secret mount for `SENTRY_AUTH_TOKEN`, and then copies the built `application.jar` along with configuration files in the final stage. |

## Sequence Diagram(s)
```mermaid
sequenceDiagram
  participant Build as Docker Build Process
  participant Builder as Builder Stage
  participant Final as Final Stage

  Build->>Builder: Initiate multi-stage build process
  Builder->>Builder: Install findutils and copy source files
  Builder->>Builder: Run Gradle build (using SENTRY_AUTH_TOKEN secret)
  Builder->>Final: Pass built application (application.jar) and properties
  Final->>Build: Execute application using application.jar as entry point
```

## Possibly related PRs
- **abhi-kr-2100/Lingetic#105**: Involves similar Dockerfile modifications, focusing on an optimized Docker build process.

## Suggested labels
`Review effort 2/5`

## Poem
> I'm a clever rabbit, hopping with delight,  
> Skipping files that clutter the build, taking flight.  
> A builder stage emerges, strong and keen,  
> With `application.jar` shining, fresh and clean.  
> Code carrots crunch as our changes align—  
> Happy hops to our build, so agile and fine!

<!-- walkthrough_end -->
<!-- internal state start -->


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user: login: abhi-kr-2100
created_at: 2025-03-27T15:29:09Z
body: * **#113** <a href="https://app.graphite.dev/github/pr/abhi-kr-2100/Lingetic/113?utm_source=stack-comment-icon" target="_blank"><img src="https://static.graphite.dev/graphite-32x32-black.png" alt="Graphite" width="10px" height="10px"/></a> 👈 <a href="https://app.graphite.dev/github/pr/abhi-kr-2100/Lingetic/113?utm_source=stack-comment-view-in-graphite" target="_blank">(View in Graphite)</a>
* `main`


<h2></h2>

This stack of pull requests is managed by <a href="https://graphite.dev?utm-source=stack-comment"><b>Graphite</b></a>. Learn more about <a href="https://stacking.dev/?utm_source=stack-comment">stacking</a>.
<!-- Current dependencies on/for this PR: -->
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## PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

<table>
<tr><td>⏱️&nbsp;<strong>Estimated effort to review</strong>: 2 🔵🔵⚪⚪⚪</td></tr>
<tr><td>🧪&nbsp;<strong>No relevant tests</strong></td></tr>
<tr><td>🔒&nbsp;<strong>Security concerns</strong><br><br>

<strong>Sensitive information handling:</strong><br> The PR introduces secret mounting for Sentry authentication token during build time. While the approach using `--mount=type=secret` is secure, ensure that the CI/CD pipeline is configured to provide this secret securely and that the token isn't accidentally cached in intermediate layers or leaked in build logs. The multi-stage build helps mitigate this risk by not carrying build-time secrets to the final image.</td></tr>
<tr><td>⚡&nbsp;<strong>Recommended focus areas for review</strong><br><br>

<details><summary><a href='https://github.com/abhi-kr-2100/Lingetic/pull/113/files#diff-b97346cb46e2faf4af5bd857ee4efe5972676b67e548a6246224ac22a64167dfR13-R13'><strong>Configuration Mismatch</strong></a>

The Dockerfile copies application.properties in the builder stage and final image, but the old version used application-production.properties. Verify this doesn't cause configuration issues in production.
</summary>

```txt
COPY config/application.properties config/application.properties
```

</details>

<details><summary><a href='https://github.com/abhi-kr-2100/Lingetic/pull/113/files#diff-b97346cb46e2faf4af5bd857ee4efe5972676b67e548a6246224ac22a64167dfR17-R19'><strong>Secret Management</strong></a>

The Sentry authentication token is mounted as a secret during build time. Ensure this secret is properly configured in CI/CD pipelines and that the token isn't accidentally persisted in the final image.
</summary>

```txt
RUN --mount=type=secret,id=SENTRY_AUTH_TOKEN \
    export SENTRY_AUTH_TOKEN=$(cat /run/secrets/SENTRY_AUTH_TOKEN) && \
    ./gradlew clean build -x test
```

</details>

</td></tr>
</table>

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## PR Code Suggestions ✨

<!-- 868a149 -->

Explore these optional code suggestions:

<table><thead><tr><td><strong>Category</strong></td><td align=left><strong>Suggestion&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </strong></td><td align=center><strong>Impact</strong></td></tr><tbody><tr><td rowspan=1>Possible issue</td>
<td>



<details><summary>Add secret existence check</summary>

___


**Add error handling for the case when the SENTRY_AUTH_TOKEN secret is not <br>provided. The current implementation will fail silently if the secret is <br>missing, which could lead to builds that appear successful but don't properly <br>configure Sentry.**

[lingetic-spring-backend/Dockerfile [17-19]](https://github.com/abhi-kr-2100/Lingetic/pull/113/files#diff-b97346cb46e2faf4af5bd857ee4efe5972676b67e548a6246224ac22a64167dfR17-R19)

```diff
 RUN --mount=type=secret,id=SENTRY_AUTH_TOKEN \
-    export SENTRY_AUTH_TOKEN=$(cat /run/secrets/SENTRY_AUTH_TOKEN) && \
+    if [ -f /run/secrets/SENTRY_AUTH_TOKEN ]; then \
+      export SENTRY_AUTH_TOKEN=$(cat /run/secrets/SENTRY_AUTH_TOKEN); \
+    else \
+      echo "Warning: SENTRY_AUTH_TOKEN secret not provided"; \
+    fi && \
     ./gradlew clean build -x test
```

- [ ] **Apply this suggestion** <!-- /improve --apply_suggestion=0 -->

<details><summary>Suggestion importance[1-10]: 7</summary>

__

Why: This suggestion adds important error handling to check if the Sentry authentication token exists before attempting to use it. This prevents silent failures during the build process and provides a clear warning message, improving build reliability and debugging.


</details></details></td><td align=center>Medium

</td></tr>
<tr><td align="center" colspan="2">

- [ ] More <!-- /improve --more_suggestions=true -->

</td><td></td></tr></tbody></table>


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**It seems all right 👌**

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