chore: golang docker template updated

docker_config_generator/config.yaml

@@ -86,7 +86,7 @@ services:
     description: Spring Boot based web application with Maven
   golang:
     name: Golang
-    description: Golang based web application
+    description: Golang based application
 
 templates:
   sinatra:
@@ -144,18 +144,22 @@ templates:
   golang:
     name: golang.Dockerfile
     variables:
-      NAME: 
+      BINARY_NAME: 
         type: string
-        description: Name for the golang module
+        description: Name for the golang application (No Space)
         default: app
+      CGO_ENABLED:
+        type: string
+        description: CGO_ENABLED for golang
+        default: "0"
       BUILD_COMMAND:
         type: string
-        description: Build command for golang
+        description: Build command for golang app
         default: go build -o app .
-      PORT:
+      START_COMMAND:
         type: string
-        description: Exposed Port [Ignore if not required]
-        default: 80
+        description: Start command for golang app
+        default: ./app
   reactjs:
     name: frontend.Dockerfile
     variables:

docker_config_generator/templates/golang.Dockerfile

@@ -1,40 +1,55 @@
-FROM golang:1.20-alpine AS builder
+FROM golang:1.21.1-bullseye AS builder
 
-# -- Args
+# Build Args
 ARG BUILD_COMMAND="go build -o app ."
-ARG NAME="app"
-ARG PORT="80"
+ARG BINARY_NAME="app"
+ARG CGO_ENABLED="0"
+# Env setup
+ENV CGO_ENABLED=${CGO_ENABLED}
 
-# -- build env setup --
-ENV CGO_ENABLED=0
-RUN apk update && apk --no-cache upgrade
-RUN apk --no-cache add ca-certificates git
+# Setup workdir
 WORKDIR /build
 
-# -- Fetch dependencies --
-COPY go.mod go.sum ./
+# Copy source code
+COPY . .
+
+# Copy AptFile [optional]
+RUN test -f AptFile && apt update -yqq && xargs -a AptFile apt install -yqq || true
+
+# Copy SetupCommand [optional]
+RUN test -f SetupCommand && while read -r cmd; do eval "$cmd"; done < SetupCommand || true
+
+# Fetch dependencies
 RUN go mod download
 
-COPY . .
 RUN ${BUILD_COMMAND}
 
-# -- Runner stage --
-FROM alpine:latest AS runner
+# Runner stage
+FROM golang:1.21.1-bullseye AS runner
 
-# -- env setup --
-ARG NAME="app"
-RUN apk --no-cache upgrade
-RUN mkdir /user  \
-    && adduser -D user --shell /usr/sbin/nologin \
-    && chown -R user:user /user
+# Build Args
+ARG BINARY_NAME="app"
+ARG START_COMMAND="./app"
+
+# Setup workdir
 WORKDIR /user
 
-COPY --from=builder /build/${NAME} .
-EXPOSE ${PORT}
-ENV PORT ${PORT}
+# Copy binary
+COPY --from=builder /build/${BINARY_NAME} .
+
+# Install OS dependencies
+
+# Copy AptFile [optional]
+COPY AptFile* ./
+RUN test -f AptFile && apt update -yqq && xargs -a AptFile apt install -yqq || true
+
+# Copy SetupCommand [optional]
+COPY SetupCommand* ./
+RUN test -f SetupCommand && while read -r cmd; do eval "$cmd"; done < SetupCommand || true
 
-RUN echo "/user/${NAME}" > /user/entrypoint.sh
+# Create entrypoint
+RUN echo ${START_COMMAND} > /user/entrypoint.sh
 RUN chmod +x /user/entrypoint.sh
-USER user
 
-ENTRYPOINT ["sh", "-c", "/user/entrypoint.sh"]
+# Setup Entrypoint
+ENTRYPOINT ["sh", "-c", "/user/entrypoint.sh"]