Add arm64 docker-build

dev/docker/Dockerfile

-FROM debian:buster-slim
+FROM alpine:latest
 
-RUN apt-get update && \
-    apt-get install -y git golang openssl curl && \
-    random=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1) && \
+RUN apk add --no-cache gcc git make musl-dev go openssl curl
+
+# Configure Go
+ENV GOROOT /usr/lib/go
+ENV GOPATH /go
+ENV PATH /go/bin:$PATH
+
+RUN random=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1) && \
     openssl genrsa -des3 -passout pass:$random -out server.pass.key 2048 && \
     openssl rsa -passin pass:$random -in server.pass.key -out key.pem && \
     rm server.pass.key && \
@@ -10,13 +15,18 @@ RUN apt-get update && \
     -subj "/C=US/ST=VA/L=SomeCity/O=MyCompany/OU=MyDivision/CN=localhost" && \
     openssl x509 -req -days 365 -in server.csr -signkey key.pem -out server.pem
 
-RUN curl -L https://dl.google.com/go/go1.17.5.linux-amd64.tar.gz -o golang.tgz && \
-    tar zxvf golang.tgz && rm golang.tgz
-
-RUN git clone https://github.com/bolkedebruin/rdpgw.git && \
+RUN apkArch="$(apk --print-arch)"; \
+    case "$apkArch" in \
+        armhf) ARCH='arm' ;; \
+        aarch64) ARCH='arm64' ;; \
+        x86_64) ARCH='amd64' ;; \
+        x86) ARCH='386' ;; \ 
+        *) echo >&2 "error: unsupported architecture: $apkArch"; exit 1 ;; \
+    esac && \
+    git clone https://github.com/bolkedebruin/rdpgw.git && \
     cd rdpgw && \
-    env GOOS=linux GOARCH=amd64 GOROOT=/go /go/bin/go mod tidy && \
-    env GOOS=linux GOARCH=amd64 GOROOT=/go /go/bin/go build -trimpath -tags '' -ldflags '' -o '/rdpgw/bin/rdpgw' ./cmd/rdpgw && \
+    go mod tidy && \
+    go build -trimpath -tags '' -ldflags '' -o '/rdpgw/bin/rdpgw' ./cmd/rdpgw && \
     mkdir -p /opt/rdpgw && \
     mv /rdpgw/bin/rdpgw /opt/rdpgw/rdpgw && \
     rm -rf /root/go && \
@@ -26,7 +36,7 @@ RUN rm -rf /go
 
 COPY rdpgw.yaml /opt/rdpgw/rdpgw.yaml
 
-RUN useradd -m -d /opt/rdpgw -u 1001 -c "rdgw" rdgw && \
+RUN adduser --disabled-password --gecos "" -h /opt/rdpgw -u 1001 rdgw && \
     mv server.pem /opt/rdpgw/server.pem && \
     mv key.pem /opt/rdpgw/key.pem && \
     chown -R 1001 /opt/rdpgw && \

dev/docker/docker-compose-arm64.yml

+version: '3.4'
+
+volumes:
+  mysql_data:
+      driver: local
+  realm-export.json:
+
+services:
+  keycloak:
+      image: richardjkendall/keycloak-arm:latest
+      hostname: keycloak
+      volumes:
+        - ${PWD}/realm-export.json:/export/realm-export.json
+      environment:
+        KEYCLOAK_USER: admin
+        KEYCLOAK_PASSWORD: admin
+        KEYCLOAK_IMPORT: /export/realm-export.json
+      ports:
+        - 8080:8080
+      restart: on-failure
+      healthcheck:
+        test: ["CMD", "curl", "-f", "http://localhost:8080/auth"]
+        interval: 30s
+        timeout: 3s
+        retries: 10
+        start_period: 5s
+  xrdp:
+      hostname: xrdp
+      image: rattydave/docker-ubuntu-xrdp-mate-custom:20.04
+      ports:
+        - 3389:3389
+      restart: on-failure
+      volumes:
+        - ${PWD}/xrdp_users.txt:/root/createusers.txt
+      environment:
+        TZ: "Europe/Amsterdam"
+  rdpgw:
+       build: .
+       ports:
+         - 9443:9443
+       restart: on-failure
+       depends_on:
+         - keycloak
+       healthcheck:
+         test: ["CMD", "curl", "-f", "http://keycloak:8080"]
+         interval: 30s
+         timeout: 10s
+         retries: 10

dev/docker/docker-compose.yml

@@ -7,7 +7,7 @@ volumes:
 
 services:
   keycloak:
-      image: quay.io/keycloak/keycloak:11.0.0
+      image: quay.io/keycloak/keycloak:latest
       hostname: keycloak
       volumes:
         - ${PWD}/realm-export.json:/export/realm-export.json