fetch golang package during docker build

Dockerfile

@@ -2,8 +2,16 @@ FROM golang:1.17
 
 # Using root user creates permission issues on the host, particularly with go.sum being regenerated within the container.
 RUN useradd -s /bin/bash -m -U dev
-USER dev
 
-RUN go get github.com/cespare/reflex
+RUN go install github.com/go-delve/delve/cmd/[email protected]
+RUN go install github.com/cespare/[email protected]
+
+WORKDIR /usr/app
+ADD go.mod go.mod
+ADD go.sum go.sum
+RUN go mod download
+RUN chown -R dev /usr/app
+
+USER dev
 
 ENTRYPOINT ["/scripts/entrypoint.sh"]

resources/scripts/entrypoint.sh

@@ -2,6 +2,4 @@
 
 set -x
 
-go get github.com/go-delve/delve/cmd/dlv
-
 reflex -r '(\.go$|go\.mod|\.sh|\.yaml|\.yml)' -s -- $*

resources/scripts/run.sh

@@ -1,5 +1,15 @@
 #!/bin/bash
 
-echo "Running agent along with dlv debugging server"
-/scripts/run-with-debug.sh haproxy-spoe-auth cmd/haproxy-spoe-auth/main.go -- \
-    -config /configuration/config.yml \
+if [[ "$DEBUG_ENABLED" -eq "1" ]]
+then
+    echo "Running agent along with debug server"
+    /scripts/run-with-debug.sh haproxy-spoe-auth cmd/haproxy-spoe-auth/main.go -- \
+        -config /configuration/config.yml
+else
+    while true
+    do
+        echo "Running agent without debug server"
+        go run cmd/haproxy-spoe-auth/main.go -config /configuration/config.yml
+        sleep 2
+    done
+fi