chore: Upgrades container to Go 1.21 and distroless (#15)

Dockerfile

@@ -1,24 +1,20 @@
-# Build image
-FROM golang:1.20-alpine as build
+FROM golang:1.21-bullseye as build
 
 WORKDIR /app
 
 COPY main.go go.mod go.sum ./
 
-RUN go build
+RUN go mod download && \
+	CGO_ENABLED=0 GOOS=linux go build
 
-# Application image
-FROM alpine:3.18 as run
-
-RUN addgroup -S sqs-exporter && \
-	adduser -S -G sqs-exporter sqs-exporter --gecos "" --disabled-password --no-create-home
-
-USER sqs-exporter
+FROM gcr.io/distroless/base-debian11 AS run
 
 COPY --from=build /app/sqs-prometheus-exporter .
 
 COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 
 EXPOSE 8080
 
-CMD ./sqs-prometheus-exporter
+USER nonroot:nonroot
+
+ENTRYPOINT [ "./sqs-prometheus-exporter" ]

chart/sqs-prometheus-exporter/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: sqs-prometheus-exporter
-version: 1.1.4
+version: 1.1.5
 description: Helm chart for the SQS Prometheus Exporter
 keywords:
   - prometheus
@@ -15,4 +15,4 @@ sources:
 maintainers:
   - name: John Riebold
     email: [email protected]
-appVersion: 1.0.4
+appVersion: 1.0.5

chart/sqs-prometheus-exporter/values.yaml

@@ -3,7 +3,7 @@ app:
 
 image:
   repository: jmriebold/sqs-prometheus-exporter
-  tag: 1.0.4
+  tag: 1.0.5
 
 deployment:
   resources: