Update Dockerfile

Author: ajeetraina

Dockerfile

@@ -3,38 +3,56 @@
 # Comments are provided throughout this file to help you get started.
 # If you need more help, visit the Dockerfile reference guide at
 # https://docs.docker.com/go/dockerfile-reference/
-
 # Want to help us make this template better? Share your feedback here: https://forms.gle/ybq9Krt8jtBL3iCk7
 
 ################################################################################
-# Create a stage for building the backend application.
+# Build Arguments
+################################################################################
 ARG GO_VERSION=1.23.4
+
+################################################################################
+# Build Stage - Backend Application
+################################################################################
 FROM --platform=$BUILDPLATFORM golang:${GO_VERSION} AS backend-build
+
+# Set working directory
 WORKDIR /src
 
-# Download dependencies as a separate step to take advantage of Docker's caching.
+# Configure Git and Go environment for insecure connections
+RUN git config --global http.sslVerify false
+
+ENV GOINSECURE=* \
+    GOPROXY=direct \
+    GOSUMDB=off
+
+# Download Go dependencies (cached layer)
+# This step is separated to take advantage of Docker's layer caching
 RUN --mount=type=cache,target=/go/pkg/mod/ \
     --mount=type=bind,source=go.sum,target=go.sum \
     --mount=type=bind,source=go.mod,target=go.mod \
     go mod download -x
 
+# Build arguments for cross-compilation
 ARG TARGETARCH
 
+# Build the application binary
 RUN --mount=type=cache,target=/go/pkg/mod/ \
     --mount=type=bind,target=. \
     CGO_ENABLED=0 GOARCH=$TARGETARCH go build -o /bin/server .
 
 ################################################################################
-# Create a new stage for running the backend
+# Runtime Stage - Production Image
+################################################################################
 FROM alpine:latest AS backend
 
+# Install necessary packages and certificates
 RUN --mount=type=cache,target=/var/cache/apk \
-    apk --update add \
+    apk --no-check-certificate --update add \
         ca-certificates \
-        tzdata \
-        && \
-        update-ca-certificates
+        tzdata && \
+    update-ca-certificates
 
+# Create non-root user for security
 ARG UID=10001
 RUN adduser \
     --disabled-password \
@@ -44,10 +62,15 @@ RUN adduser \
     --no-create-home \
     --uid "${UID}" \
     appuser
+
+# Switch to non-root user
 USER appuser
 
+# Copy the built binary from build stage
 COPY --from=backend-build /bin/server /bin/
 
+# Expose application port
 EXPOSE 8080
 
-ENTRYPOINT [ "/bin/server" ]
+# Set the entrypoint
+ENTRYPOINT ["/bin/server"]