Removed user and group (#82)

* added /bin/sh to dockerfiles

* changed scratch to alpine for final image

* removed unnecessary COPY from dockerfiles

* removed group and user (cedille-user)

cmd/calidum-rotae-service/Dockerfile

@@ -15,10 +15,6 @@ COPY . ./
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
     go build -o ./calidum_rotae_service ./cmd/calidum-rotae-service/main.go
 
-# Add user & group
-RUN addgroup -S cedille-group && \
-    adduser -S cedille-user -G cedille-group
-
 # Step 2 - import necessary files to run program.
 FROM alpine
 
@@ -31,6 +27,4 @@ ENV CALIDUM_ROTAE_SERVICE_API_KEY=$CALIDUM_ROTAE_SERVICE_API_KEY
 # Otherwise, pass the path to the certificate file.
 ENV CERTIFICATE_FILE_PATH=$CERTIFICATE_FILE_PATH
 
-USER cedille-user
-
 ENTRYPOINT ["/calidum_rotae_service"]

cmd/discord-provider/Dockerfile

@@ -15,10 +15,6 @@ COPY . ./
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
     go build -o ./discord_provider ./cmd/discord-provider/main.go
 
-# Add user & group
-RUN addgroup -S cedille-group && \
-    adduser -S cedille-user -G cedille-group
-
 # Step 2 - import necessary files to run program.
 FROM alpine
 
@@ -27,6 +23,4 @@ COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certifi
 
 ENV DISCORD_WEBHOOK_URL=$DISCORD_WEBHOOK_URL
 
-USER cedille-user
-
 ENTRYPOINT ["/discord_provider"]

cmd/email-provider/Dockerfile

@@ -15,10 +15,6 @@ COPY . ./
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
     go build -o ./email_provider ./cmd/email-provider/main.go
 
-# Add user & group
-RUN addgroup -S cedille-group && \
-    adduser -S cedille-user -G cedille-group
-
 # Step 2 - import necessary files to run program.
 FROM alpine
 
@@ -32,6 +28,4 @@ ENV EMAIL_TO_ADDRESS=$EMAIL_TO_ADDRESS
 ENV EMAIL_SUBJECT=$EMAIL_SUBJECT
 ENV EMAIL_SENDGRID_API_KEY=$EMAIL_SENDGRID_API_KEY
 
-USER cedille-user
-
 ENTRYPOINT ["/email_provider"]